SOLUTION: is this always, sometimes or never true? [x]=-[x]
[absolute value]
Algebra.Com
Question 338229: is this always, sometimes or never true? [x]=-[x]
[absolute value]
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Sometimes.
Only when x = 0
Maybe that should be "sometime", singular.
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