One and Two-Step Equation Review

One-Step

100

x+7=21

x= 14

200

x-9=-17

x=-8

300

y-6=12

y=18

400

4a=-28

a=-7

500

b/5=3

b=15

Two-Step

100

2x+5=17

x= 6

200

3y-4=11

y= 5

300

-5a+6=31

a=-5

400

4b-7=-19

b=-3

500

6c+8=-34

c= -7

Two-Step with Distributive Property

100

3(x+4)=27

x= 5

200

2(3x-2)=26

x=5

300

-3(2x-4)=18

x=-1

400

0.5(x+4)=-12

x=-28

500

-2(1.7x+1.2) -3.8 = 4

x=-3