Solve for m
m=\frac{1}{5}=0.2
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20m-6-15m=-5
Subtract 15m from both sides.
5m-6=-5
Combine 20m and -15m to get 5m.
5m=-5+6
Add 6 to both sides.
5m=1
Add -5 and 6 to get 1.
m=\frac{1}{5}
Divide both sides by 5.
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