Homework Help: Math

Posted by Carly on Thursday, November 8, 2012 at 2:54pm.

How do I solve this absolute value inequality? Should I add two to both sides first?
| -3n | - 2 = 4

Math - Carly, Thursday, November 8, 2012 at 2:56pm
Not inequality I meant equation.
Math - Steve, Thursday, November 8, 2012 at 3:04pm
since |x| =
x if x>=0
-x if x<0

so, either

-3n >= 0 and
(-3n) = 6 so n = -2

or

-3n < 0 and
-(-3n) = 6 so n=2

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