-7m=-9-8m

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Solution for -7m=-9-8m equation: 


Simplifying
-7m = -9 + -8m

Solving
-7m = -9 + -8m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '8m' to each side of the equation.
-7m + 8m = -9 + -8m + 8m

Combine like terms: -7m + 8m = 1m
1m = -9 + -8m + 8m

Combine like terms: -8m + 8m = 0
1m = -9 + 0
1m = -9

Divide each side by '1'.
m = -9

Simplifying
m = -9

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