SOLUTION: 8m-7<4m+5

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Question 219135: 8m-7<4m+5
Answer by checkley77(12844) About Me  (Show Source):
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8m-7<4m+5
8m-4m<5+7
4m<12
m<12/4
m<3 ans.Proof:
Let m=2.9
8*2.9-7<4*2.9+5
23.2-7<11.6+5
16.2<16.6