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Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014 Solving Systems of Equations by Addition (Elimination) Method

Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

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Page 1: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

1

October 13, 2014

Solving Systems of Equations 

by

Addition (Elimination) Method

Page 2: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

2

October 13, 2014

EXAMPLE 1

Page 3: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

3

October 13, 2014

Page 4: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

4

October 13, 2014

Page 5: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

5

October 13, 2014

EXAMPLE 2

Page 6: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

6

October 13, 2014

Page 7: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

7

October 13, 2014

EXAMPLE 3

Page 8: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

8

October 13, 2014

Page 9: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

9

October 13, 2014

EXAMPLE 4

Page 10: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

10

October 13, 2014

Page 11: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

11

October 13, 2014

EXAMPLE 5

Page 12: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

12

October 13, 2014

Page 13: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

13

October 13, 2014

EXAMPLE 6

Page 14: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

14

October 13, 2014

Page 15: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

15

October 13, 2014

EXAMPLE 7

Page 16: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

16

October 13, 2014

Page 17: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

17

October 13, 2014

Page 18: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

18

October 13, 2014

Page 19: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

19

October 13, 2014

EXAMPLE 8

Page 20: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

20

October 13, 2014

Page 21: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

21

October 13, 2014

Page 22: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

22

October 13, 2014

Page 23: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

23

October 13, 2014

EXAMPLE 9

Page 24: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

24

October 13, 2014

Page 25: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

25

October 13, 2014

Page 26: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

26

October 13, 2014

EXAMPLE 10

Page 27: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

27

October 13, 2014

Page 28: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

28

October 13, 2014

Page 29: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

29

October 13, 2014

Page 30: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

30

October 13, 2014

EXAMPLE 11

Page 31: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

31

October 13, 2014

Page 32: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

32

October 13, 2014

Page 33: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

33

October 13, 2014

EXAMPLE 12

Page 34: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

34

October 13, 2014

Page 35: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

35

October 13, 2014

Page 36: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

36

October 13, 2014

EXAMPLE 13

Page 37: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

37

October 13, 2014

Page 38: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

38

October 13, 2014

EXAMPLE 14

Page 39: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

39

October 13, 2014

Page 40: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

40

October 13, 2014

EXAMPLE 15

Page 41: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

41

October 13, 2014

Page 42: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

42

October 13, 2014

Page 43: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

43

October 13, 2014

Page 44: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

44

October 13, 2014

 Solving System of Equations 

         Word Problems in 2 

                 Variables

Page 45: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

45

October 13, 2014

EXAMPLE 16

Page 46: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

46

October 13, 2014

Page 47: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

47

October 13, 2014

Page 48: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

48

October 13, 2014

EXAMPLE 17

Page 49: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

49

October 13, 2014

Page 50: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

50

October 13, 2014

Page 51: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

51

October 13, 2014

EXAMPLE 18

Page 52: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

52

October 13, 2014

Page 53: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

53

October 13, 2014

Page 54: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

54

October 13, 2014

EXAMPLE 19

Page 55: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

55

October 13, 2014

Page 56: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

56

October 13, 2014

Page 57: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

57

October 13, 2014

EXAMPLE 20

Page 58: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

58

October 13, 2014

Page 59: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

59

October 13, 2014

Page 60: Solving Systems of Equations Addition (Elimination) Method...2019/07/30  · Lesson 14 Solving System of Equations in 2 Variables by elimination (addition) method 1 October 13, 2014

Lesson 14 ­ Solving System of Equations in 2 Variables  by elimination (addition) method

60

October 13, 2014