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October 21, 2014

October 21, 2014

Posted by **Shreya** on Wednesday, January 18, 2012 at 12:00am.

|x+4| = |x-2|

so i want to know how to do this? do i always have to write out the four piecewise possibilities? that be ++ -+ and +-

++

x+4 = x-2

4 = -2 not solution

-+

-(x+4) = x-2

-x-4 = x-2

-4 = 2x-2

-1 = x solution

+-

x+4 = -(x-2)

x+4 = -x+2

2x+4 = 2

x = -1 solution

- math-calculus oops -
**Shreya**, Wednesday, January 18, 2012 at 12:10ami forgot put the other one

--

-(x+4) = -(x-2)

-x+4 = -x+2

4 = 2 no solution

- math-calculus -
**Steve**, Wednesday, January 18, 2012 at 5:06amyou are correct.

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