12-3m=13

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Solution for 12-3m=13 equation: 


Simplifying
12 + -3m = 13

Solving
12 + -3m = 13

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 + -3m = 13 + -12

Combine like terms: 12 + -12 = 0
0 + -3m = 13 + -12
-3m = 13 + -12

Combine like terms: 13 + -12 = 1
-3m = 1

Divide each side by '-3'.
m = -0.3333333333

Simplifying
m = -0.3333333333

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