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March 25, 2017

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3(k-2)=5×k+2×k-18, k=?

  • math - ,

    I'm sorry you didn't follow directions.

    3(k-2)=5×k+2×k-18

    3k - 6 = 5k + 2k - 18

    3k - 6 = 7k - 18

    18 - 6 = 7k - 3k

    12 = 4k

    ? = k

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