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Variable Expressions
Decimals
Solving for Variables
Operations with Negatives
Decimals
100

Distribute: 

8(4x + 1)

32x + 8

100

0.3 + 0.2

0.5

100

x + 12 = 14

x = 2

100

2 + 6 - 3 

5

100

0.42 x 8

3.36

200

Distribute: 

6(x + 3)

6x + 18

200

0. 46 + 0.4

0.86

200

2x = 48

x = 24

200

-8 - (-3) + 1

4

200

0.29 x 12

3.48

300

Distribute: 

4(x - 2)

4x -8

300

2.39 - 0.2

2.19

300

2x + x - 50 = 100

x = 50

300

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

37

300

0.9 x 0.25

0.225

400

Distribute: 

6(2x + 14)

12x + 84

400

0.46 + 0.8

1.26

400

3x = -51

x = -17

400

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

-49

400

59.5 / 7

8.5

500

Distribute & Combine like terms:

4(3x - 2) + 2x

14x - 8

500

3.48 - 0.95

2.53

500

6x - 2x = -48

x = -12

500

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

-37

500

95.22/15

6.348