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March 29, 2017

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-3r+18=6r

  • algebra - ,

    -3r+18=6r

    18 = 6r + 3r
    18 = 9r
    18/9 = r
    ? = r

  • algebra - ,

    _3r+18=6r
    add 3r to ech side of equation.
    18=9r
    dived each side by 2
    2=r
    r=2

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