Solve for m
m=-1
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3m-9-8m=-4
Subtract 8m from both sides.
-5m-9=-4
Combine 3m and -8m to get -5m.
-5m=-4+9
Add 9 to both sides.
-5m=5
Add -4 and 9 to get 5.
m=\frac{5}{-5}
Divide both sides by -5.
m=-1
Divide 5 by -5 to get -1.
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