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If x + |x| + y = 7 and x + |y| - y = 6 what is x + y = ?
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Re: If x + |x| + y = 7 and x + |y| - y = 6 what is x + y = ?
Mar 18, 2013
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Re: If yz not equal to zero is 0 < y < 1?
Mar 12, 2013
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