Friday, January 16, 2015

Solve: 8|2-9p|-2=14


8|2-9p|-2=14
8|2-9p|-2+2=14+2
8|2-9p|=16
8/8|2-9p|=16/8
|2-9p|=2 

case 1)
2-9p=2
-9p=0
p=0 

case 2)
2-9p=-2
-9p=-4
p=4/9
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