Algebra

Solve the system by the elimination method
6x+2y=-16
-x-3y=-16

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  1. well first multiply the first one by 1/2
    and the second one by -1

    3 x + 1 y = -8
    1 x + 3 y = 16

    now multiply the first one by 3

    9 x + 3 y =-24
    1 x + 3 y = 16
    -------------- subtract
    8 x + 0 = -40
    so
    x = -5
    -30 + 2y = -16
    2 y = 14
    y = 7

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