2m-7m=-9-8m

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Solution for 2m-7m=-9-8m equation: 


Simplifying
2m + -7m = -9 + -8m

Combine like terms: 2m + -7m = -5m
-5m = -9 + -8m

Solving
-5m = -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.
-5m + 8m = -9 + -8m + 8m

Combine like terms: -5m + 8m = 3m
3m = -9 + -8m + 8m

Combine like terms: -8m + 8m = 0
3m = -9 + 0
3m = -9

Divide each side by '3'.
m = -3

Simplifying
m = -3

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