3m-1=12

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Solution for 3m-1=12 equation: 


Simplifying
3m + -1 = 12

Reorder the terms:
-1 + 3m = 12

Solving
-1 + 3m = 12

Solving for variable 'm'.

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

Add '1' to each side of the equation.
-1 + 1 + 3m = 12 + 1

Combine like terms: -1 + 1 = 0
0 + 3m = 12 + 1
3m = 12 + 1

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

Divide each side by '3'.
m = 4.333333333

Simplifying
m = 4.333333333

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