Solving Equations Review

One step

100

4x=-16

x=-4

200

x-5=2

x=7

300

y/3=-8

y=-24

400

b-(-4)=-22

b=-26

500

-w/4=-2

w=8

Two-step

100

2x-1=7

x=4

200

-3x-3=6

x=-3

300

-7x+4=15

x=-11/7

400

y/4+5=2

y=-12

500

(w-3)/5=-2

w=-7

Variables on both sides

100

m+7=-5-3m

m=-3

200

-6-p=p+2

p=-4

300

-10+7m=4m+5m-8

m=-1

400

-4v+8v=-2+2v+3v-4

v=6

500

14+1+4x+2x=1+3x+5x

x=7

Distributing

100

6(x+4)=12

x=-2

200

-3(w-2)=18

w=-4

300

2(3b+3)=5b-2

b=-8

400

2(p-7)=-2(p-3)

p=5

500

-6(-3b-6)+3(2-6b)=42

Infinitely Many Solutions

Proportions

100

8/x=2/5

x=20

200

4/(x+5)=2/4

x=3

300

x/(x+2)=7/6

x=-14

400

(3b-3)/4=(5b-6)/8

b=0

500

(a+1)/(a+7)=4/7

a=7