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25 October, 13:38

Use substitution to solve the system. y = 3x-4 4x-5y = - 13

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  1. 25 October, 14:03
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    Y=3x-4

    4x-5y=-13

    4x-5 (3x-4) = - 13

    4x-15x+20=-13

    -11x+20=-13

    33=11x

    x=3

    y=3 (3) - 4

    y=9-4

    y=5
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