Pre-Algebra Unit 2 Review

The Distributive Property

100

2(x + 2)

2x + 4

200

5(y - 8)

5y - 40

300

4(7a + 2)

28a + 8

400

-2(x + 4)

-2x - 8

500

(-3)(6 - 11c)

-18 + 33c

Simplifying Expressions

100

3x + 5 + 2x + 3

5x + 8

200

5x - 9 - x +2

4x - 7

300

12 - 7k + 9 - k

21 - 8k

400

3(u + 1) + 4u + 1

7u + 4

500

8a - 2(7a - 3)

-6a + 6

Mental Math

100

x + 10 = 23

13

200

7 - y = -1

8

300

36 = -4a

-9

400

b/5 = 8

40

500

0.25x = 20

80

Solving Equations

100

x + 8 = 21

13

200

-9 = t + 16

-25

300

-5x = 45

-9

400

r/(-13) = -5

65

500

3x + 9 = 45

12

Equations with Decimals

100

x + 6 = 1.8

-4.2

200

2.4h = -8.4

-3.5

300

n/(-5) = -7.3

36.5

400

u - 4.6 = 5.1

9.7

500

-1.9k = 0.76

-0.4