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

x/4 - 3 = 2

x = 20

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

3x + 2x - 4 + 4 = -4 + 6 * 4 + 2x - x - x

x=4

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

2 (- x - 5) = - (5x - 25)

x = 10

500

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

a=2

Elementary

100

10 - ___ = 4

____ = 6

200

2 * ____ + 6 = 18

____ = 6

300

4 ____ + 12 = 6 ____ - 6

____ = 9

400

2 ____ + 3 = 42 - ____

____ = 13

500

4 * _____ - 20 = 2 * ____ + 20

_____ = 20