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Algebra Problems

1. Solve using the addition principle.

m - 3 = 5

A) 2
B) -2
C) 8
D) -8

2. Solve using the addition principle.

s + 5 = 8

A) -3
B) 13
C) 3
D) -13

3. Solve using the addition principle.

x - = 0

A) - 9
B) 9
C)
D) -

4. Solve using the addition principle.

8 = z + 3

A) -11
B) 11
C) 5
D) -5

5. Solve using the addition principle.

22 = a - 13

A) -35
B) 9
C) 35
D) -9

6. Solve using the addition principle.

x - 16.31 = 0

A) 15.31
B) 16.31
C) -15.31
D) -16.31

7. Solve using the multiplication principle.

= -3

A) -10
B) 0
C) 21
D) -11

8. Solve using the multiplication principle.

9 =

A) -2
B) 3
C) 4
D) -45

9. Solve using the multiplication principle.

= 13

A) 2
B) 17
C) 65
D) 18

10. Solve using the multiplication principle.

-5a = 15

A) 20
B) -20
C) 1
D) -3

11. Solve using the multiplication principle.

-45 = 9k

A) -5
B) 1
C) 54
D) -54

12. Solve using the multiplication principle.

-44.1 = -6.3c

A) -37.8
B) 37.8
C) 7.0
D) 2.0

13. Solve using the multiplication principle.

-5x = -20

A) 15
B) 2
C) -15
D) 4

14. Solve the equation.

4r + 3 = 19

A) 12
B) 16
C) 1
D) 4

15. Solve the equation.

10n - 10 = 50

A) 6
B) 15
C) 54
D) 50

16. Solve the equation.

55 = 10x - 5

A) 6
B) 50
C) 10
D) 54

17. Solve the equation.

57 = 5x + 7

A) 4
B) 45
C) 49
D) 10

18. Solve the equation.

159 = 11x + 16

A) 136
B) 132
C) 13
D) 1

19. Solve the equation.

96 = 12x + 4x

A)
B) 112
C) 6
D) 80

20. Solve using the multiplication principle.

x = 30

A)
B) 36
C)
D) 25.

Solution Preview

1.
m - 3 = 5
m = 5 + 3
m = 8
C) 8

2.
s + 5 = 8
s = 8 - 5
s = 3
C) 3

3.
x - 1/9 = 0
x = 0 + 1/9
x = 1/9
C) 1/9

4.
8 = z + 3
z = 8 - 3
z = 5
C) 5

5.
22 = a - 13
a = 22 + 13
a = 35
C) 35

6.
x - 16.31 = 0
x = 0 + 16.31
x = ...

Solution Summary

The solution assists with solving the algebra problems using the addition principle.

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