If x+2y=2 and (x+y)(adsbygoogle = window.adsbygoogle || []).push({}); ^{2}=9, what is the value of y?

And the answer is not -1.. what is the trick here that I'm missing? The answer is supposed to be 5.

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# If x+2y=2 and (x+y)2=9, what is the value of y?

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