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find the value of x, y, z if x+y=0, -x+y=0, -2x-y-3z=0

Answer» <p>wrong </p> <p>ans x=1y=1 z=-1</p> <p>She is correct.</p><p>If x and y are 1 then how is x+y = 0</p><p>Check the solution thoroughly :)</p> <p>plz ans my one more question </p> <p>plz fastly do it</p> <p>plz answer my one more question fastly </p> <p>plz do it fastly</p>


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