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12 August, 08:44

Solve the system of linear equations by graphing. x-y=7, 0.5x+y=5

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  1. 12 August, 11:57
    0
    You can use elimination

    x - y = 7

    0.5x + y = 5

    1.5x = 12

    x = 8

    Then plug in x into one of the original equations

    8 - y = 7

    y = 1

    Solution is (8,1)
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