Equations Review

1) Solve this equation

a - 2.1 = 5.8

• a = 7.9

• a = 3.7

• a = 5.8

• None of these match my answer

2) Please solve this equation

m - 14 = 32

• m = 18

• m = 2 ¹/₈

• m = 424

• None of these match my answer

3) Please solve this equation

23 = x + 7

• x = 16

• x = 30

• x = 161

• None of these match my answer

4) Please solve this equation

1.2x = 9.6

• x = 8

• x = 10.8

• x = 8.4

• None of these match my answer

5) Please solve this equation

7x = 84

• x = 77

• x = 91

• x = 588

• None of these match my answer

6.)Identify the variable in the following equation:

3x + 8 = 4 y - 2

• a and b

• x and y

• 3x and 4y

• -2 and 8

• x = 12
• x = -12
• x = 3
• x = -3

8. Solve the following equation

X + 8 = 15

• 23

• -7

• 7

• -23

9. 9. Solve the following equation 
   8 = m - 12

• 4
• 0.5
• 5.0
• 20

10. Solve the following equation
2y = 18

• 36
• 16
• 9
• 20