16 Ch4 Lesson4 EquationsVariablesBoth SidesADVANCED.notebook October 11, 2016

Chapter 4 Lesson 4Equations with Variables on Both Sides

Warm­Up:Solve. Answer should be in scientific notation.

a.) (3.4 x 105) (2.8 x 10­12)

b.) (7.4 x 106)+(3.8 x 105)

Chapter 4 Lesson 4Equations with Variables on Both Sides

DCVC

istribute

ombine like terms

ariables to the left

onstants to the right

16 Ch4 Lesson4 EquationsVariablesBoth SidesADVANCED.notebook October 11, 2016

Examples:

1.) Solve 8 + 4d = 5d

DCVC

istribute

ombine like terms

ariables to the left

onstants to the right

2.) Solve 6n ­ 1= 4n ­ 5D

CVC

istribute

ombine like terms

ariables to the left

onstants to the right

Now you try...

a.) 8a = 5a + 21 b.) 3x ­ 7 = 8x + 23

Example:3.) Green's gym charges a one­time fee of $50 plus $30 per session for a personal trainer. A new fitness center charges a yearly fee of $250 plus $10 for each session with a trainer. For how many sessions is the cost of the 2 plans the same?

Green's Gym New Gym

Now you try...

d.) The length of a flag is 0.3 less than twice its width. If the perimeter is 14.4 ft longer that the width, find the dimensions of the flag.

16 Ch4 Lesson4 EquationsVariablesBoth SidesADVANCED.notebook October 11, 2016

Example:4.) Solve.

3x ­ 1 = 9 ­ 2 x

Got it??? Do these to find out!!!

e.) ­8p + 7 = 4p + 9

f.) ­ c ­ = ­ + c58

54

34

12

Homework ~