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1 August, 07:51

X + y = 9/x - y = 5?

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  1. 1 August, 11:50
    0
    y=2

    x=7

    Step-by-step explanation:

    subtract equation 1 from 2

    0+2y=4

    y=2

    substitute y into equation 1

    x+2=9

    x=9-2

    x=7
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