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7 February, 18:18

Find x if x+y=z y-z=x

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  1. 7 February, 20:18
    0
    y=z, x=0

    Step-by-step explanation:

    x+y=z

    y-z=x

    Isolate x.

    {y-z = (z-y) }

    Isolate y.

    x=z-z

    z-z=0
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