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9x +5y=34
8x-2y=-2

solve by elimination

  • alg -

    1st one times 2
    18x + 10y = 68
    2nd one times 5
    40x - 10y = -10
    add them

    58x = 58
    x = 1

    sub that back into the original first ...
    I am sure you can finish it.

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