12+3m=2(m+4)

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Solution for 12+3m=2(m+4) equation: 


Simplifying
12 + 3m = 2(m + 4)

Reorder the terms:
12 + 3m = 2(4 + m)
12 + 3m = (4 * 2 + m * 2)
12 + 3m = (8 + 2m)

Solving
12 + 3m = 8 + 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.
12 + 3m + -2m = 8 + 2m + -2m

Combine like terms: 3m + -2m = 1m
12 + 1m = 8 + 2m + -2m

Combine like terms: 2m + -2m = 0
12 + 1m = 8 + 0
12 + 1m = 8

Add '-12' to each side of the equation.
12 + -12 + 1m = 8 + -12

Combine like terms: 12 + -12 = 0
0 + 1m = 8 + -12
1m = 8 + -12

Combine like terms: 8 + -12 = -4
1m = -4

Divide each side by '1'.
m = -4

Simplifying
m = -4

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