3n=9+12n

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Solution for 3n=9+12n equation: 


Simplifying
3n = 9 + 12n

Solving
3n = 9 + 12n

Solving for variable 'n'.

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

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

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

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

Divide each side by '-9'.
n = -1

Simplifying
n = -1

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