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April 18, 2015

April 18, 2015

Posted by **nadine** on Thursday, January 21, 2010 at 6:34am.

(2x) in absolute value? I can't figure out what the x is all about...

- algebra -
**drwls**, Thursday, January 21, 2010 at 9:05am|2x| is the absolute value of 2x. x can be any real number, positive or negative.

If x is negative, |2x| = -2x

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