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3 October, 17:53

X+y=8 y=8+x solve the system of equations by graphing

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  1. 3 October, 21:30
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    I can solve by subsituttion

    x+y=8

    y=8+x

    subsitute 8+x for y

    x+8+x=8

    2x+8=8

    subtract 8 from both sdies

    2x=0

    x=0

    subsitute

    0+y=8

    y=8

    x=0

    y=8
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