Test Review

Variable Expressions

100

Distribute: 

8(4x + 1)

32x + 8

200

Distribute: 

6(x + 3)

6x + 18

300

Distribute: 

4(x - 2)

4x -8

400

Distribute: 

6(2x + 14)

12x + 84

500

Distribute & Combine like terms:

4(3x - 2) + 2x

14x - 8

Decimals

100

0.3 + 0.2

0.5

200

0. 46 + 0.4

0.86

300

2.39 - 0.2

2.19

400

0.46 + 0.8

1.26

500

3.48 - 0.95

2.53

Solving for Variables

100

x + 12 = 14

x = 2

200

2x = 48

x = 24

300

2x + x - 50 = 100

x = 50

400

3x = -51

x = -17

500

6x - 2x = -48

x = -12

Operations with Negatives

100

2 + 6 - 3 

5

200

-8 - (-3) + 1

4

300

4 x 5 - (-4 + 2) + 15

37

400

4(-8-3) + (-5)

-49

500

8 - (-3) + 4(-6) + -2(84/7)

-37

Decimals

100

0.42 x 8

3.36

200

0.29 x 12

3.48

300

0.9 x 0.25

0.225

400

59.5 / 7

8.5

500

95.22/15

6.348