Marcab received 2 Kudos for post If |x|-|y|=|x+y|, then which of the following must be true?.

GiverPostDate
jvav777If |x|-|y|=|x+y|, then which of the following must be true?14-Jan-2015
obamasidIf |x|-|y|=|x+y|, then which of the following must be true?25-Oct-2012

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