3n+9n=56

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Solution for 3n+9n=56 equation: 


Simplifying
3n + 9n = 56

Combine like terms: 3n + 9n = 12n
12n = 56

Solving
12n = 56

Solving for variable 'n'.

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

Divide each side by '12'.
n = 4.666666667

Simplifying
n = 4.666666667

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