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Let x, y, and z be nonzero real numbers. Find all possible values of x/ | x | + y/ | y | + z/ | z |.  List your values in increasing order, separated by commas.

 Jun 2, 2021
 #1
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a/|a| is either -1 or 1. So, it coul be -3, -1, 1, 3.

 Jun 2, 2021

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