Pre-Algebra

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3/4q-7=8

*please also post a website

  • Pre-Algebra -

    3/4q-7=8

    First get the known quantities on one side. Add 7 to both sides.

    3/4q -7 + 7 = 8 + 7

    3/4q = 15

    Divide both sides by 3/4

    q = 15 / (3/4)

    q = 15 * (4/3)

    q = 60/3 = 20

    ~~~~~~~~~~~~~~~~~~~~~~~~~~

    Proof:

    [(3/4) * 20] -7 = 8
    15 - 7 = 8


    http://www.mathsisfun.com/algebra/equation-formula.html

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