Solving Equations Review

One-Step Equations

100

x+5=23

x=18

200

a-3=6

a=9

300

-4z=-16

z=4

400

x/4=-8

x=-32

500

-7+b=-20

b=-13

Two-Step Equations

100

2x+3=15

x=6

200

x/5-2=20

x=110

300

-2+a/6=-12

a=-60

400

-3z-4=17

z=-7

500

-9-3b=-21

b=4

Three-Step Equations

100

2x+4=8x-2

x=1

200

3x+3=-10x+29

x=2

300

-20x-5=-10x-25

x=2

400

7x+2x=51-15

x=4

500

12x-3=-12x-3

x=0

four-Step Equations

100

2(2x+3)=18

x=3

200

5(x+3)+3x=63

x=6

300

-3(3x+3)-4=50

x=-5

400

2(-2x-3)-3=-13

x=1

500

3(x-1)+2=4(x-2)-10

x=17