12-1m=-7

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Solution for 12-1m=-7 equation: 


Simplifying
12 + -1m = -7

Solving
12 + -1m = -7

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 = -7 + -12

Combine like terms: 12 + -12 = 0
0 + -1m = -7 + -12
-1m = -7 + -12

Combine like terms: -7 + -12 = -19
-1m = -19

Divide each side by '-1'.
m = 19

Simplifying
m = 19

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