Chapter 3 Test Review

Combining Like Terms

100

Simplify:

1+8m+6m-8

-7+14m

200

Simplify:

10n-4-4n+7

6n+3

300

Simpify:

-(-10r-1)+6

10r+7

400

Simplify:

-8n-5(1+7n)

-43n-5

500

Simplify:

-7+8(-5-2n)

-16n-47

Equations with Variables on One Side

100

-23=m-20

m=-3

200

-6=8b-8b

No Solution

300

-5(x-4)=-15

x=7

400

9-9=-m+2m

m=0

500

9x-3x+5x-2=14

x=11/16

Equations with Variables on Both Sides

100

3v+4(v+1)=2+6v

v=-2

200

9-2x=4x-3

x=2

300

10x-4-4x-3=32-x+3

x=6

400

-8(k-4)=40-7k

x=-8

500

2/x=4/(x-2)

x=-2

Literal Equations

100

z=-b+6+9a, solve for a

a=(z+b-6)/9

200

Solve for a: 

ac=dr

a=(dr)/c

300

Solve for a:

 z=3a+4b

a=(z-4b)/3

400

Solve for x: 

ax+b=c

x=(c-b)/a

500

Solve for x: 

z=(3x-3)/(4y)

x=(4zy+3)/3

Percent Problems

100

17 is what percent of 83?

20.5%

200

78 is 111% of what?

70.3

300

What percent of 119 is 72?

60.5%

400

What is 10% of 48?

4.8

500

1 is what percent of 78.2?

1.28%