12-m=-8

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Solution for 12-m=-8 equation: 


Simplifying
12 + -1m = -8

Solving
12 + -1m = -8

Solving for variable 'm'.

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

Add '-12' to each side of the equation.
12 + -12 + -1m = -8 + -12

Combine like terms: 12 + -12 = 0
0 + -1m = -8 + -12
-1m = -8 + -12

Combine like terms: -8 + -12 = -20
-1m = -20

Divide each side by '-1'.
m = 20

Simplifying
m = 20

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