86=7(2+m)+2m

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


Simplifying
86 = 7(2 + m) + 2m
86 = (2 * 7 + m * 7) + 2m
86 = (14 + 7m) + 2m

Combine like terms: 7m + 2m = 9m
86 = 14 + 9m

Solving
86 = 14 + 9m

Solving for variable 'm'.

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

Add '-9m' to each side of the equation.
86 + -9m = 14 + 9m + -9m

Combine like terms: 9m + -9m = 0
86 + -9m = 14 + 0
86 + -9m = 14

Add '-86' to each side of the equation.
86 + -86 + -9m = 14 + -86

Combine like terms: 86 + -86 = 0
0 + -9m = 14 + -86
-9m = 14 + -86

Combine like terms: 14 + -86 = -72
-9m = -72

Divide each side by '-9'.
m = 8

Simplifying
m = 8

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