Chapter 2 Review

One-Step equations

100

n+3=12

n=9

200

x-7=15

22

300

-8=x+6

-14

400

-2x=-40

x=20

500

x/3=15

45

Two-Step equations

100

3x-5=16

x=7

200

7x+3=-4

x=-1

300

x/2+2=4

x=4

400

-14n-7=49

n= -4

500

2n+45=15

n= -15

Multi-Step Equations

100

2(n+3)=10

n=2

200

-4(x+2)=16

x= -6

300

-5(x+2)=30

x= -8

400

4(m-1)=2m

m=2

500

5(m+4)=2m+20

m=0

Equations with variables on both sides

100

3x+6=x+8

x=1

200

4x+4=2x+6

x=1

300

3r+7=10r+28

r= -3

400

3m-15=7m+5

m= -5

500

3x-8= -4x+13

x=3

Ratios and Proportions

100

6/x=10/5

x=3

200

x/8=5/2

x=20

300

3/6=5/n

n=10

400

7/2=x/6

x=21

500

8/3=n/6

n=16