9-2m-1+7m=4m-3m

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Solution for 9-2m-1+7m=4m-3m equation: 


Simplifying
9 + -2m + -1 + 7m = 4m + -3m

Reorder the terms:
9 + -1 + -2m + 7m = 4m + -3m

Combine like terms: 9 + -1 = 8
8 + -2m + 7m = 4m + -3m

Combine like terms: -2m + 7m = 5m
8 + 5m = 4m + -3m

Combine like terms: 4m + -3m = 1m
8 + 5m = 1m

Solving
8 + 5m = 1m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
8 + 5m + -1m = 1m + -1m

Combine like terms: 5m + -1m = 4m
8 + 4m = 1m + -1m

Combine like terms: 1m + -1m = 0
8 + 4m = 0

Add '-8' to each side of the equation.
8 + -8 + 4m = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 4m = 0 + -8
4m = 0 + -8

Combine like terms: 0 + -8 = -8
4m = -8

Divide each side by '4'.
m = -2

Simplifying
m = -2

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