9m-7-8=-12(1-m)-2(2m-7)

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Solution for 9m-7-8=-12(1-m)-2(2m-7) equation:


Simplifying
9m + -7 + -8 = -12(1 + -1m) + -2(2m + -7)

Reorder the terms:
-7 + -8 + 9m = -12(1 + -1m) + -2(2m + -7)

Combine like terms: -7 + -8 = -15
-15 + 9m = -12(1 + -1m) + -2(2m + -7)
-15 + 9m = (1 * -12 + -1m * -12) + -2(2m + -7)
-15 + 9m = (-12 + 12m) + -2(2m + -7)

Reorder the terms:
-15 + 9m = -12 + 12m + -2(-7 + 2m)
-15 + 9m = -12 + 12m + (-7 * -2 + 2m * -2)
-15 + 9m = -12 + 12m + (14 + -4m)

Reorder the terms:
-15 + 9m = -12 + 14 + 12m + -4m

Combine like terms: -12 + 14 = 2
-15 + 9m = 2 + 12m + -4m

Combine like terms: 12m + -4m = 8m
-15 + 9m = 2 + 8m

Solving
-15 + 9m = 2 + 8m

Solving for variable 'm'.

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

Add '-8m' to each side of the equation.
-15 + 9m + -8m = 2 + 8m + -8m

Combine like terms: 9m + -8m = 1m
-15 + 1m = 2 + 8m + -8m

Combine like terms: 8m + -8m = 0
-15 + 1m = 2 + 0
-15 + 1m = 2

Add '15' to each side of the equation.
-15 + 15 + 1m = 2 + 15

Combine like terms: -15 + 15 = 0
0 + 1m = 2 + 15
1m = 2 + 15

Combine like terms: 2 + 15 = 17
1m = 17

Divide each side by '1'.
m = 17

Simplifying
m = 17

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