[m+3]=12-2m

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Solution for [m+3]=12-2m equation:


Simplifying
[m + 3] = 12 + -2m

Reorder the terms:
[3 + m] = 12 + -2m

Remove brackets around [3 + m]
3 + m = 12 + -2m

Solving
3 + m = 12 + -2m

Solving for variable 'm'.

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

Add '2m' to each side of the equation.
3 + m + 2m = 12 + -2m + 2m

Combine like terms: m + 2m = 3m
3 + 3m = 12 + -2m + 2m

Combine like terms: -2m + 2m = 0
3 + 3m = 12 + 0
3 + 3m = 12

Add '-3' to each side of the equation.
3 + -3 + 3m = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 3m = 12 + -3
3m = 12 + -3

Combine like terms: 12 + -3 = 9
3m = 9

Divide each side by '3'.
m = 3

Simplifying
m = 3

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