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2 October, 19:42

What is solution of the system? Use elimination 3*-4y=-24 * + y=-1

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  1. 2 October, 23:22
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    X+y=-1

    For x:

    x+y-y=-1-y

    x=-y-1

    3x-4y=-24

    3 (-y-1) - 4y=-24

    -7y-3=-24

    -7y-3+3=24+3

    -7y/-7 = - 21/-7

    Y=3

    x=-y-1

    x=-3-1

    x=-4

    x=-4, y=3
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