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24 July, 20:22

How do you solve and check it

-5 - 5y = 0

y=8x

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  1. 24 July, 20:26
    0
    -5-5y=0

    y=8x

    substitute the value of y

    -5-5 (8x) = 0

    -5-40x=0

    add 5 to both sides.

    -40x=5

    divide both sides by - 40

    x=-5/40

    simplify gcf=5

    x=-1/8

    checking:

    Y=8x

    y=8 (-1/8)

    y=-1

    Substitute it to the 1st equation

    -5-5 (-1) = 0

    -5+5=0

    0=0
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