SOLUTION: can you solve 5p+12 is less than 9p-20

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Question 210499: can you solve 5p+12 is less than 9p-20
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
5p+12<9p-20
5p-9p<-20-12
-4p<-32
p>-32/-4 (note: the < sign changes to a > sign when divided by a negative value).
p>8 ans.
Proof:
Let p=9
5*9+12<9*9-20
45+12<81-20
57<61