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1 November, 01:47

What is 3x-5y=12 with a substitution of X=3y

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  1. 1 November, 03:23
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    3x-5y=12

    X=3y

    3 (3y) - 5y=12

    9y-5y=12

    4y=12

    y=3

    X=3y

    X=3 (3)

    X=9
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