-10m+5m+7m-(-12m)-8m=-18

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Solution for -10m+5m+7m-(-12m)-8m=-18 equation: 


Simplifying
-10m + 5m + 7m + -1(-12m) + -8m = -18

Remove parenthesis around (-12m)
-10m + 5m + 7m + -1 * -12m + -8m = -18

Multiply -1 * -12
-10m + 5m + 7m + 12m + -8m = -18

Combine like terms: -10m + 5m = -5m
-5m + 7m + 12m + -8m = -18

Combine like terms: -5m + 7m = 2m
2m + 12m + -8m = -18

Combine like terms: 2m + 12m = 14m
14m + -8m = -18

Combine like terms: 14m + -8m = 6m
6m = -18

Solving
6m = -18

Solving for variable 'm'.

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

Divide each side by '6'.
m = -3

Simplifying
m = -3

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