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March 28, 2017

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solving with elimination 7x-4y=13 2x-5y =-4

  • math - ,

    14 x - 8 y = 26
    14 x - 35y = -28
    ------------------
    27 y = 54

    y = 2

    2 x = -4 + 5(2)
    x = -2 + 5
    x = 3

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