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15 November, 21:39

What is the solution to the system of equations? x-y=7 3x-2y=8

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  1. 15 November, 21:50
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    X-y=7

    3x-2y=8

    Multiplying equation I by 2;

    2x-2y=14

    3x-2y=8

    Subtracting equation 1 from equation II;

    x=-6

    Replacing for x in equation II

    3 (-6) - 2y=8

    -18-2y=8

    2y=-18-8

    2y=-26

    y=-13
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