-2[1-(3m+7)]-12=4(5-m)

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Solution for -2[1-(3m+7)]-12=4(5-m) equation:


Simplifying
-2[1 + -1(3m + 7)] + -12 = 4(5 + -1m)

Reorder the terms:
-2[1 + -1(7 + 3m)] + -12 = 4(5 + -1m)
-2[1 + (7 * -1 + 3m * -1)] + -12 = 4(5 + -1m)
-2[1 + (-7 + -3m)] + -12 = 4(5 + -1m)

Combine like terms: 1 + -7 = -6
-2[-6 + -3m] + -12 = 4(5 + -1m)
[-6 * -2 + -3m * -2] + -12 = 4(5 + -1m)
[12 + 6m] + -12 = 4(5 + -1m)

Reorder the terms:
12 + -12 + 6m = 4(5 + -1m)

Combine like terms: 12 + -12 = 0
0 + 6m = 4(5 + -1m)
6m = 4(5 + -1m)
6m = (5 * 4 + -1m * 4)
6m = (20 + -4m)

Solving
6m = 20 + -4m

Solving for variable 'm'.

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

Add '4m' to each side of the equation.
6m + 4m = 20 + -4m + 4m

Combine like terms: 6m + 4m = 10m
10m = 20 + -4m + 4m

Combine like terms: -4m + 4m = 0
10m = 20 + 0
10m = 20

Divide each side by '10'.
m = 2

Simplifying
m = 2

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