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16 August, 00:02

X=-4

-7x + 5y = 13

what is Y?

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  1. 16 August, 00:20
    0
    -7x + 5y = 13

    -7 (-4) + 5y = 13

    28 + 5y = 13

    5y = 13 - 28

    5y = - 15

    y = - 15/5

    y = - 3
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