8 chap. 3

+ equations

100

x + (-29) = 46

x = 75

200

-2.4 + x = 7.2

x = 9.6

300

2x + 17 = 29

x = 6

400

x/4 + 3 = -1

x = -16

500

5x + 11 - 2x =17

x = 2

- equations

100

x - 0.07 = -2.09

x = -2.02

200

x - (-9.2) = 2

x = -7.2

300

14x - 42 = 56

x = 7

400

x/12 - 3 = 5

x = 96

500

-5x - 7 = -5 + 43

x = -9

x equations

100

-5x = 10

x = -2

200

8x = 46 - 14

x = 4

300

1/5x = 15

x = 75

400

4x = 172

x = 43

500

2/3x = 3/4

x = 1 1/8

÷ equations

100

-x/2 = 63

x = -126

200

x/7 = -14 + 20

x = 42

300

-48 = x/3

x = -144

400

x ÷ 5 = 165

x = 825

500

-x/6 = 22 - 27

x = 30

multi-step

100

7(x - 7) = 49

x = 14

200

-9(x + 6) = -108

x = 6

300

(x + 9)/3 + 5 = 28

x = 60

400

7x + 16 = 3x + 24

x = 2

500

2(x + 4) = 96 + 2(2x + 20)

x = -64