SOLUTION: 2y-9<-13 4z-7>7z-4

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Question 257104: 2y-9<-13
4z-7>7z-4
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2y-9<-13
2y<-13+9
2y<-4
y<-4/2
y<-2 ans.
4z-7>7z-4
4z-7z>-4+7
-3z>3
z<3/-3 [note the change in signs when dividing by a negative value]
z<-1 ans.