Jessibell9 Jessibell9

24-08-2014
Mathematics

Answered

15=7-|2x|

Solve for x in this absolute value equation.

Verified Answer :

konrad509 konrad509

24-08-2014

\(15=7-|2x|\\ -|2x|=8\\ |2x|=-8\\ x\in\emptyset\)

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Anonymous Anonymous

24-08-2014

\(7-|2x|=15\ \ \ \ |subtract\ 7\ from\ both\ sides\\\\-|2x|=8\\\\|2x|=-8-FALSE\\\\x\in\O\ because\ |a|\geq0\ for\ each\ a\in\mathbb{R}\)

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