Solving 2 Step Equations

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| By Simonedeitch
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Simonedeitch
Community Contributor
Quizzes Created: 6 | Total Attempts: 5,175
Questions: 10 | Attempts: 634

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Solving 2 Step Equations - Quiz

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Questions and Answers
  • 1. 

    Do you have any questions about the video?

  • 2. 

    6 = a/4 + 2

    • A.

      A = 24

    • B.

      A = 4

    • C.

      A = -16

    • D.

      A = 16

    Correct Answer
    D. A = 16
    Explanation
    In the given equation, we have 6 on one side and a variable a divided by 4 plus 2 on the other side. To solve for a, we need to isolate it on one side of the equation. By subtracting 2 from both sides of the equation, we get a/4 = 4. Then, by multiplying both sides of the equation by 4, we find that a = 16.

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  • 3. 

    9x − 7 = −7

    • A.

      X = 0

    • B.

      X = 1

    • C.

      X = 49

    • D.

      X =-63

    Correct Answer
    A. X = 0
    Explanation
    The equation states that 9 times x minus 7 is equal to -7. To solve for x, we need to isolate it on one side of the equation. Adding 7 to both sides, we get 9x = 0. Finally, dividing both sides by 9, we find that x is equal to 0.

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  • 4. 

    0 = 4 + n/5

    • A.

      N = -20

    • B.

      N = -1

    • C.

      N= 20

    • D.

      N = 0

    Correct Answer
    A. N = -20
    Explanation
    By substituting -20 into the equation, we can verify if it satisfies the equation. Plugging in -20 for n, we get 0 = 4 + (-20/5), which simplifies to 0 = 4 - 4, giving us 0 = 0. Since the equation is true, n = -20 is the correct answer.

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  • 5. 

    −1 = 5 + x/6

    • A.

      X = 4

    • B.

      X = -36

    • C.

      X = -6

    • D.

      X = 30

    Correct Answer
    B. X = -36
    Explanation
    The equation given is −1 = 5 + x/6. To solve for x, we need to isolate it on one side of the equation. We can start by subtracting 5 from both sides, which gives us -6 = x/6. To further isolate x, we can multiply both sides by 6, resulting in -36 = x. Therefore, the correct answer is x = -36.

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  • 6. 

    −9x + 1 = −80

    • A.

      X = -81

    • B.

      X = -9

    • C.

      X = 9

    • D.

      X = 0

    Correct Answer
    C. X = 9
    Explanation
    The equation -9x + 1 = -80 can be solved by isolating the variable x. By subtracting 1 from both sides of the equation, we get -9x = -81. Dividing both sides by -9, we find that x = 9.

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  • 7. 

    −10 = −10 + 7m

    • A.

      M = 1

    • B.

      M = 0

    • C.

      M = -70

    • D.

      M = -1

    Correct Answer
    B. M = 0
    Explanation
    The equation given is −10 = −10 + 7m. To solve for m, we need to isolate the variable. By subtracting -10 from both sides of the equation, we get 0 = 7m. Dividing both sides by 7, we find that m = 0.

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  • 8. 

    144 = −12x - 60

    • A.

      X = -12

    • B.

      X = 5

    • C.

      X = - 5

    • D.

      X = -17

    Correct Answer
    D. X = -17
    Explanation
    The given equation is 144 = -12x - 60. To solve for x, we need to isolate the variable. By adding 60 to both sides of the equation, we get 204 = -12x. Dividing both sides by -12, we find that x = -17.

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  • 9. 

    8n + 7 = 31

    • A.

      N = -2

    • B.

      N = 4

    • C.

      N = 1

    • D.

      N = 3

    Correct Answer
    D. N = 3
    Explanation
    To solve the equation 8n + 7 = 31, we need to isolate the variable n. First, we subtract 7 from both sides of the equation to get 8n = 24. Then, we divide both sides by 8 to solve for n, which gives us n = 3. Therefore, the correct answer is n = 3.

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  • 10. 

    M/9 − 1 = −2

    • A.

      M = -1/3

    • B.

      M = 27

    • C.

      M = 9

    • D.

      M = -9

    Correct Answer
    D. M = -9
    Explanation
    The given equation m/9 - 1 = -2 can be solved by isolating the variable m. By adding 1 to both sides of the equation, we get m/9 = -1. Then, multiplying both sides by 9, we find that m = -9.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 13, 2013
    Quiz Created by
    Simonedeitch

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