SOLUTION: what is the answer to the inequality 3(9z+4)>35z-4

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Question 337904: what is the answer to the inequality 3(9z+4)>35z-4
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3(9z+4)>35z-4
27z+12>35z-4
27z-35z>-4-12
-8z>-16
z<-16/-8 (note the sign change when dividing by a negative value)
z<2 ans.
Proof:
Let z=1.9
3(9*1.9+4)>35*1.9-4
3(17.1+4)>66.5-4
3*21.1>62.5
63.3>62.5