Solve for m
m=-2
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8-2m=12
Swap sides so that all variable terms are on the left hand side.
-2m=12-8
Subtract 8 from both sides.
-2m=4
Subtract 8 from 12 to get 4.
m=\frac{4}{-2}
Divide both sides by -2.
m=-2
Divide 4 by -2 to get -2.
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