Wednesday, October 16, 2013

|x-1| = 5x+10

absolute value means...
1) x-1=5x+10 
or 
2) x-1=-5x-10 

so for case 1)...
4x=-11
x=-11/4 (extraneous)


and for case 2)...
-6x=9
x=-3/2

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