Solving Two-Step Equations Quiz

Grade 7 · Math · Quiz

Ten problems to test your ability to solve two-step equations using inverse operations.

Questions

1. Solve: 4x + 8 = 24

   1. x = 2
   2. x = 4
   3. x = 8
   4. x = 16
   Show answer

   Answer: x = 4

2. Solve: 2x − 7 = 13. x = ___.

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   Answer: 10

3. Solve: x/3 − 2 = 4

   1. x = 2
   2. x = 6
   3. x = 18
   4. x = 12
   Show answer

   Answer: x = 18

4. The equation 6x − 12 = 0 has a solution of x = 2.

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   Answer: True

5. A number is multiplied by 5, and then 9 is added. The result is 34. Which equation models this?

   1. 5n + 9 = 34
   2. 5 + 9n = 34
   3. 9n − 5 = 34
   4. 5n − 9 = 34
   Show answer

   Answer: 5n + 9 = 34

6. Solve: 7x + 1 = 43. x = ___.

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   Answer: 6

7. Solve: -3x + 9 = -6

   1. x = -5
   2. x = 5
   3. x = 1
   4. x = -1
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   Answer: x = 5

8. The solution to 2x + 10 = 4 is x = 7.

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   Answer: False

9. Solve: x/5 + 3 = 8. x = ___.

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   Answer: 25

10. Which step should you do FIRST when solving 4x − 6 = 18?

    1. Divide both sides by 4
    2. Add 6 to both sides
    3. Subtract 4 from both sides
    4. Multiply both sides by 4
    Show answer

    Answer: Add 6 to both sides

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