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Thread: Solve for the unknown variable

  1. June 17th 2009, 04:05 PM #1
    LOL
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    Solve for the unknown variable

    n+12=-2(3-5n)

    2k+9
    _____=7
    3

    Thanks,
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  2. June 17th 2009, 04:09 PM #2
    Stroodle
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    Quote Originally Posted by LOL View Post
    n+12=-2(3-5n)

    2k+9
    _____=7
    3

    Thanks,
    n+12=-2(3-5n)

    n+12=-6+10n

    18=9n

    \therefore\;n=2



    \frac{2k+9}{3}=7

    2k+9=21

    2k=12

    \therefore k=6
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