Solve for m
m=-3
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-4m-5=7
Swap sides so that all variable terms are on the left hand side.
-4m=7+5
Add 5 to both sides.
-4m=12
Add 7 and 5 to get 12.
m=\frac{12}{-4}
Divide both sides by -4.
m=-3
Divide 12 by -4 to get -3.
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