Quiz: Solving Simple Equations

1. Solve for x.
  • x + 15 = 3
a. 18
b. 12
c. –12
2. Solve for y.
  • y – 13 = –3
a. –10
b. 10
c. 16
3. Solve for x.
  • 8 – x = –4
a. 12
b. 4
c. –12
4. Solve for y.
  • –3 – y = 7
a. 10
b. 4
c. –10
5. Solve for x.
  • 4 x = 24
a. equation
b. 6
c. –6
6. Solve for y.
  • equation
a. 54
b. 6
c. equation
7. Solve for x.
  • equation
a. 36
b. 30
c. 25
8. Solve for y.
  • equation
a. 16
b. 12
c. 9
9. Solve for x.
  • 6 x + 15 = 33
a. 8
b. 3
c. –3
10. Solve for y.
  • 3 y – 15 = –21
a. –12
b. –2
c. 2
11. Solve for x.
  • equation
a. 9
b. 20
c. 45
12. Solve for y.
  • equation
a. –100
b. –50
c. –36
13. For which equation is the solution x = –3?
a. –2 x + 7 = 13
b. 3 x – 2 = –7
c. 5 – 4 x = –7
14. Which of the following equations has a negative value for its variable?
a. –3 x + 5 = 4
b. 4 a – 12 = –8
c. 5 y – 6 = –7
15. What should be the first two steps in solving the equation –3 x + 4 = 12?
a. add 4 to each side of the equation, then divide each side by –3
b. subtract 4 from each side of the equation, then multiply each side by 3
c. subtract 4 from each side of the equation, then divide each side by –3
16. Solve for x.
  • 7 x + 5 = 3 x – 35
a. –10
b. equation
c. 10
17. Solve for y.
  • 3 y + 9 y – 24 = 6 y – 4 – 8
a. 2
b. –2
c. –6
18. Which equation has the same solution as 6 – 3 x = 5 x – 18?
a. 4 x – 6 = 2 x – 12
b. 10 – 7 x = 28 – 13 x
c. 9 + 4 x = 8 x + 3
19. For which problem is there an error?
a. equation
b. equation
c. equation

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