8th Grade Equations Review

One-Step

100

x+6=9

X=3

200

m-2= -19

m= -17

300

-2x=32

x= -16

400

h/4=-3

h= -12

500

2/3 x= -20

x=-30

Two-Step

100

3b+4=19

b=5

200

-5y+7= -23

y=6

300

DOUBLE POINTS!!!

You get 600pts.

400

4(x-6)= -16

X=2

500

4/5 m +2= -6

m=-10

Variables on both sides

100

2x+5= 3x

x=5

200

5x+2= 3x-8

x=-5

300

12x+8= 3x+62

x=6

400

16-4x=7x+5

x=1

500

FREE POINTS!!!

You get 500 pts.

Multi-Step Equations

100

7(x-2)=6x

x=14

200

-(a-12)+4a= 9a

a=2

300

3(x+1)=x+5

x=1

400

DOUBLE POINTS!!!

You get 800pts.

500

4(2a+3)= -3(a-1)+31

a=2

Combine Like Terms

100

4x – 2x – 20x + x

-17x

200

-k + 16 – 12k

-13k + 16

300

-2.4x + 3.8x – x

0.4x

400

-0.8x + 40 – 8x – 35

-8.8x + 5

500

12.5(3 + 2w)

37.5 + 25w