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March 29, 2017

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3y=4x-18
3x=7-y

  • Math - ,

    y = (4/3) x - 6

    3 x = 7 - (4/3)x + 6

    9 x = 21 - 4 x + 18

    13 x = 39
    x = 3
    then
    y = (4/3)(3) - 6
    y = -2

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