Solve for m
m=5
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-4m+5=-15
Swap sides so that all variable terms are on the left hand side.
-4m=-15-5
Subtract 5 from both sides.
-4m=-20
Subtract 5 from -15 to get -20.
m=\frac{-20}{-4}
Divide both sides by -4.
m=5
Divide -20 by -4 to get 5.
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