3n=12+n

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Solution for 3n=12+n equation: 


Simplifying
3n = 12 + n

Solving
3n = 12 + n

Solving for variable 'n'.

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

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

Combine like terms: 3n + -1n = 2n
2n = 12 + n + -1n

Combine like terms: n + -1n = 0
2n = 12 + 0
2n = 12

Divide each side by '2'.
n = 6

Simplifying
n = 6

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