m+2m+3+m=12

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Solution for m+2m+3+m=12 equation:


Simplifying
m + 2m + 3 + m = 12

Reorder the terms:
3 + m + 2m + m = 12

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

Combine like terms: 3m + m = 4m
3 + 4m = 12

Solving
3 + 4m = 12

Solving for variable 'm'.

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

Add '-3' to each side of the equation.
3 + -3 + 4m = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 4m = 12 + -3
4m = 12 + -3

Combine like terms: 12 + -3 = 9
4m = 9

Divide each side by '4'.
m = 2.25

Simplifying
m = 2.25

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