is it possible to get x and y both positive AND on different sides of this equation?

I'm trying to answer a question in a book and in the answer they gave was but i can't seem change my answer into that.

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- May 2nd 2013, 02:49 AM #1

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- May 2nd 2013, 03:07 AM #2

- May 2nd 2013, 03:50 AM #3

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