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March 29, 2017

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Solve the linear system by using elimination.

9x-4y=26
18x+7y=22

  • Math - ,

    multiply the top by 2:

    18x - 8y = 52
    18x + 7y = 22

    subtract:

    15y = -30
    y = -2
    so
    x = 2

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