Solve for m
m>0
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-2-4m<2m-2
Combine -3m and -m to get -4m.
-2-4m-2m<-2
Subtract 2m from both sides.
-2-6m<-2
Combine -4m and -2m to get -6m.
-6m<-2+2
Add 2 to both sides.
-6m<0
Add -2 and 2 to get 0.
m>0
Product of two numbers is <0 if one is >0 and the other is <0. Since -6<0, m must be >0.
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