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Section 10.2 Solving Two-Step Equations

Section 10.2 solving two step equations (math)

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Page 1: Section 10.2 solving two step equations (math)

Section 10.2

Solving Two-Step Equations

Page 2: Section 10.2 solving two step equations (math)

Algebraic EquationsMultiplication with Subtraction

2x = 10

2x = 102 2x = 5

Page 3: Section 10.2 solving two step equations (math)

Algebraic EquationsMultiplication with Subtraction

x – 4 = 8+4+4

x = 12

Page 4: Section 10.2 solving two step equations (math)

Algebraic EquationsMultiplication with Subtraction

x

4= 10(4) (4)

x = 40

Page 5: Section 10.2 solving two step equations (math)

Algebraic EquationsMultiplication with Addition

x = 6

x = 18/2 = 9

23

(HINT)Reciprocal

32

32

Page 6: Section 10.2 solving two step equations (math)

Algebraic EquationsMultiplication with Subtraction

2x – 4 = 8+4+4

2x = 122 2x = 6

Page 7: Section 10.2 solving two step equations (math)

Algebraic EquationsMultiplication with Addition

5x + 10 = 80-10-10

5x = 705 5x = 14

Page 8: Section 10.2 solving two step equations (math)

Algebraic EquationsMultiplication with Subtraction

-3x – 4 = -82+4+4

-3x = -78-3 -3x = 26

Page 9: Section 10.2 solving two step equations (math)

Algebraic EquationsMultiplication with Addition

2/3x + 2 = 8-2-2

x = 6

x = 18/2 = 9

23(HINT)

Reciprocal

32

32

Page 10: Section 10.2 solving two step equations (math)

Algebraic EquationsDivision with Addition

x/5 + 2 = 8-2-2

= 6

x = 30

x5

(5) (5)

Page 11: Section 10.2 solving two step equations (math)

Algebraic EquationsDivision with Addition

= 7

X + 10 = 28

X + 10 4

(4) (4)

Page 12: Section 10.2 solving two step equations (math)

Algebraic EquationsDivision with Addition

= 6

X - 13 = 30

x - 13 5

(5) (5)

Page 13: Section 10.2 solving two step equations (math)

Algebraic Equations

C.L.T.

-20-20

10x = 6010

4x +6x + 20 = 80( )10x + 20 = 80

10

x = 6

Page 14: Section 10.2 solving two step equations (math)

12 12

7x + 5x - 12 = 48 12x - 12 = 48

+12+12

12x = 60

X = 5

Algebraic Equations

Distributive Property

Page 15: Section 10.2 solving two step equations (math)

Algebraic Equations

C.L.T.

-12-12

5x = 805

3x + 2x + 20 - 8 = 92

5x + 12 = 92

5

x = 16

( ) ( )

Page 16: Section 10.2 solving two step equations (math)

THE END

Homework:

Page 476 # 14 – 44 Even