(3*4)n-9n=39

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Solution for (3*4)n-9n=39 equation: 


Simplifying
(3 * 4) * n + -9n = 39

Multiply 3 * 4
(12) * n + -9n = 39

Combine like terms: 12n + -9n = 3n
3n = 39

Solving
3n = 39

Solving for variable 'n'.

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

Divide each side by '3'.
n = 13

Simplifying
n = 13

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