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24 January, 10:01

Y=4x. 3x-y=1 how to get the y value

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  1. 24 January, 11:14
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    Since y=4x

    substitute 4x into the second equation

    3x-4x=1

    -x=1

    x=-1

    if x=-1, substitute x=-1 in the equ 1

    y=4x

    y=4 (-1)

    y=-4
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