8m+7-m=2m-12-5m

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Solution for 8m+7-m=2m-12-5m equation:


Simplifying
8m + 7 + -1m = 2m + -12 + -5m

Reorder the terms:
7 + 8m + -1m = 2m + -12 + -5m

Combine like terms: 8m + -1m = 7m
7 + 7m = 2m + -12 + -5m

Reorder the terms:
7 + 7m = -12 + 2m + -5m

Combine like terms: 2m + -5m = -3m
7 + 7m = -12 + -3m

Solving
7 + 7m = -12 + -3m

Solving for variable 'm'.

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

Add '3m' to each side of the equation.
7 + 7m + 3m = -12 + -3m + 3m

Combine like terms: 7m + 3m = 10m
7 + 10m = -12 + -3m + 3m

Combine like terms: -3m + 3m = 0
7 + 10m = -12 + 0
7 + 10m = -12

Add '-7' to each side of the equation.
7 + -7 + 10m = -12 + -7

Combine like terms: 7 + -7 = 0
0 + 10m = -12 + -7
10m = -12 + -7

Combine like terms: -12 + -7 = -19
10m = -19

Divide each side by '10'.
m = -1.9

Simplifying
m = -1.9

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