5m+7-3m=45+12

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Solution for 5m+7-3m=45+12 equation:


Simplifying
5m + 7 + -3m = 45 + 12

Reorder the terms:
7 + 5m + -3m = 45 + 12

Combine like terms: 5m + -3m = 2m
7 + 2m = 45 + 12

Combine like terms: 45 + 12 = 57
7 + 2m = 57

Solving
7 + 2m = 57

Solving for variable 'm'.

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

Add '-7' to each side of the equation.
7 + -7 + 2m = 57 + -7

Combine like terms: 7 + -7 = 0
0 + 2m = 57 + -7
2m = 57 + -7

Combine like terms: 57 + -7 = 50
2m = 50

Divide each side by '2'.
m = 25

Simplifying
m = 25

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