SOLUTION: Please help me solve this problem: |5x - 3| > 7
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Question 49442: Please help me solve this problem: |5x - 3| > 7
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
Please help me solve this problem: |5x - 3| > 7
case 1....5x-3 =+ve..
|5x-3|=5x-3>7
5x>7=3=10
x>10/5=2
case 2 ...5x-3=-ve
|5x-3|=-(5x-3)=-5x+3>7
-5x>7-3=4
-x>4/5
x<-4/5...division by -1 reverses inequality...4>3...but -4<-3
so the 2 answers are
x>2...and x<-4/5
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