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21 March, 12:33

Solve each system substitution 6x - 12y=24 And - x - 6y=4

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  1. 21 March, 14:44
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    6x-12y=24

    x=-6y-4

    6 (-6y-4) - 12y=24

    -36y-24-12y=24

    -48y=48

    y=-1

    6x-12 (-1) = 24

    6x+12=24

    6x=12

    x=2

    6 (2) - 12 (-1) = 24

    12+12=24

    24=24 true

    and

    - (2) - 6 (-1) = 4

    -2 + 6=4

    4=4 true
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