3m+12-m=78+m

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Solution for 3m+12-m=78+m equation:


Simplifying
3m + 12 + -1m = 78 + m

Reorder the terms:
12 + 3m + -1m = 78 + m

Combine like terms: 3m + -1m = 2m
12 + 2m = 78 + m

Solving
12 + 2m = 78 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
12 + 2m + -1m = 78 + m + -1m

Combine like terms: 2m + -1m = 1m
12 + 1m = 78 + m + -1m

Combine like terms: m + -1m = 0
12 + 1m = 78 + 0
12 + 1m = 78

Add '-12' to each side of the equation.
12 + -12 + 1m = 78 + -12

Combine like terms: 12 + -12 = 0
0 + 1m = 78 + -12
1m = 78 + -12

Combine like terms: 78 + -12 = 66
1m = 66

Divide each side by '1'.
m = 66

Simplifying
m = 66

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