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6 November, 19:49

Solve the system by substitution.

y = 8x

y = 10x - 4

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  1. 6 November, 20:07
    0
    x=1, y=8

    Step-by-step explanation:

    Plug y=8x into y=10x-4.

    8x=10x-4

    Subtract 10x from each side.

    -2x=-2

    Divide each side by - 2.

    x=1

    Plug x=1 into y=8x.

    y=8 (1)

    y=8
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