-3+m=12

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Solution for -3+m=12 equation: 


Simplifying
-3 + m = 12

Solving
-3 + m = 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 + m = 12 + 3

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

Combine like terms: 12 + 3 = 15
m = 15

Simplifying
m = 15

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