3m-9n=12

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Solution for 3m-9n=12 equation: 


Simplifying
3m + -9n = 12

Solving
3m + -9n = 12

Solving for variable 'm'.

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

Add '9n' to each side of the equation.
3m + -9n + 9n = 12 + 9n

Combine like terms: -9n + 9n = 0
3m + 0 = 12 + 9n
3m = 12 + 9n

Divide each side by '3'.
m = 4 + 3n

Simplifying
m = 4 + 3n

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