-3(6+2m)-7m=86

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Solution for -3(6+2m)-7m=86 equation: 


Simplifying
-3(6 + 2m) + -7m = 86
(6 * -3 + 2m * -3) + -7m = 86
(-18 + -6m) + -7m = 86

Combine like terms: -6m + -7m = -13m
-18 + -13m = 86

Solving
-18 + -13m = 86

Solving for variable 'm'.

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

Add '18' to each side of the equation.
-18 + 18 + -13m = 86 + 18

Combine like terms: -18 + 18 = 0
0 + -13m = 86 + 18
-13m = 86 + 18

Combine like terms: 86 + 18 = 104
-13m = 104

Divide each side by '-13'.
m = -8

Simplifying
m = -8

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