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|x−(−12)|, if x>−12

User WildJoe
by
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1 Answer

7 votes

Answer:

Explanation:

if x>−12

add 12 : x+12 >0

but x−(−12) = x+12

so :|x−(−12)| = |x+12| = x+12 .... ( x+12 >0)

note : |a| = a if a>0

User MattC
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