7 Ch. 5 - Equations and Inequalities Review

Multi-Step Equations

100

Solving Equations

4x + 3 = 7

x = 1

200

Solving Equations

4(6 + 5x) = 124

x = 5

300

Solving Equations

-108 = -8(x + 6) - 4

x = 7

400

Solving Equations

254 = -2v - 6(2 +6v)

v = -7

500

Solving Equations

-93 = 7(-3k - 8) + 5

k = 2

Multi-Step Equations w/ Variables on Both Sides

100

Solving Equations

6(6n - 2) = 8n - 40

n = -1

200

Solving Equations

-4(-8p + 1) = -4 - 8p

p = 0

300

Solving Equations

4(2k + 3) = 12 + 8x

Infinite Solutions

400

Solving Equations

-5(8n - 4) - n = - 16 - 5n

n = 1

500

Solving Equations

7(x+1)=3x+7

No Solution

Expressions

100

Simplify

b + 8 - 9b +1

9 - 8b  or -8b + 9

200

Simplify:

-4(2 - 6b)

24b - 8  or  -8 + 24b

300

Simplify: 

8x - 9(8 - 2x)

26x - 72

400

Simplify:

8(x - 6) - 5(-6 - 2x)

18x - 18

500

Simplify

3(x + 2) - 8x - 4 - x + 1

-6x + 3

1 and 2 Step Equations

100

y+40=60

y = 20

200

-16y=2

y=-1/8

or

y=-0.125

300

-4u+5=-3

u=2

400

r/3-1=6

r = 21

500

5-x=8

x=-1