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8 January, 14:57

Use substitution to solve the system of equations y = 2x+16 2x-7y=-64

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  1. 8 January, 15:14
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    x=4

    Step-by-step explanation:

    We know:

    y=2x+16

    2x-7y=64

    plug the first equation into the second:

    2x-7 (2x+16) = 64

    2x-14x+112=64

    -12x=-48

    x=4
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