SOLUTION: Explain why -x could be positive.

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Question 176147: Explain why -x could be positive.
Answer by Alan3354(30993) About Me  (Show Source):
You can put this solution on YOUR website!
Explain why -x could be positive.
I would say how, not why, but:
if x is a negative number, then -x is positive.
For example, if x is -7, the -x it +7.