CFHS (Whisnant) Solving Simple Equations TEST Review

Addition

100

X + 32 = 45

What is x = 13

200

19 + n = 38

What is n = 19

300

y + 21 = 47

What is y = 26

400

58 + a = 133

What is a = 75

500

m + 207 = 213

What is m = 6

Subtraction

100

x - 7 = 12

What is x = 19

200

n - 19 = 22

What is n = 41

300

-2(y - 22) = 20

What is y = 12

400

2a + a - 50 = 40

What is a = 30

500

2(m - 12) = 6

What is m = 15

Multiplication

100

3x = 15

What is x = 5

200

8x = 48

What is x = 6

300

12x + 4= 40

What is x = 3

400

13x - 10 = 68

What is x = 6

500

44x - 6 = 170

What is x = 4

Division

100

x/2 = 16

What is x = 32

200

n/4 = 9

What is n = 36

300

y/21 + 2 = 4

What is y = 42

400

a/7 - 3 = 4

What is a = 49

500

m/15 + 6 = 9

What is m = 45

Variables on Both Sides

100

2x + 7 = x - 9

x = -16

200

3x + 10 = 2x - 4

-14

300

5x - 6 = 3x - 10

x = -2

400

2(x+6) = 2x + 12

Infinitely Many Solutions

500

3x + 2x - 7 = 5(x+4)

No Solution