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Superman
5th May 2006, 11:05 AM
I tried to solve
5-2x<-13

The book says x>9 Is this a mistake as I get x<9 ?

-2x<-13-5
-2x<-18
x<9
SuperTramp
5th May 2006, 10:45 PM
When dividin by a negative no. u must reverse the inequality

-2x<-13-5
-2x<-18
x>9

the bk is correct