Math

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Solve by the elimination method
7x-y=17
x+7y=31

What is the solution of the system?

  • Math -

    multiply the fist equation by 7

    49x - 7y = 119
    add the second
    x + 7y = 31

    50x = 150
    x = 3

    sub that into the second equation ....

    you finish it, let me know what you got.

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