12+5m-3+7m=57

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Solution for 12+5m-3+7m=57 equation:


Simplifying
12 + 5m + -3 + 7m = 57

Reorder the terms:
12 + -3 + 5m + 7m = 57

Combine like terms: 12 + -3 = 9
9 + 5m + 7m = 57

Combine like terms: 5m + 7m = 12m
9 + 12m = 57

Solving
9 + 12m = 57

Solving for variable 'm'.

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

Add '-9' to each side of the equation.
9 + -9 + 12m = 57 + -9

Combine like terms: 9 + -9 = 0
0 + 12m = 57 + -9
12m = 57 + -9

Combine like terms: 57 + -9 = 48
12m = 48

Divide each side by '12'.
m = 4

Simplifying
m = 4

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