SOLUTION: 3(x+4)-5(x-6)<7

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Question 179323: 3(x+4)-5(x-6)<7
Answer by checkley75(3666) About Me  (Show Source):
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3(x+4)-5(x-6)<7
3x+12-5x+30<7
-2x+42<7
-2x<7-42
-2x<-35
x>-35/-2 dividing by a negativee valus changes the < to a > sign.
x>35/2 ans.
Proof:
let x=36/2 or x=18
3(18+4)-5(18-6)<7
3*22-5*12<7
66-60<7
6<7