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Mathematics

9th

grade

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One and Two Step Equations

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13 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    In the equation


    x + 7 = 12


    7 is being added to the variable, x.

    How should you show your work to isolate the variable and solve the equation?

    Subtract 7 from both sides. The solution is x = 5.

    Add 7 to both sides.

    The solution is x = 19.

    Multiply both sides by 7 The solution is x = 84.

  • 2. Multiple Choice
    30 seconds
    1 pt

     16 =k1116\ =\frac{k}{11}  


    The variable, k, is being divided by 11. What step needs to be completed to isolate the variable k?

    Divide both sides by 11

    Multiply both sides by 11.

    Add 11 to both sides.

    Subtract 11 to both sides.

  • 3. Multiple Choice
    30 seconds
    1 pt

    Solve for x in the following equation:

    x + 7 = 12

    x = 5

    x = 19

    x = 4

    x = 84

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