12n=3n-9

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Solution for 12n=3n-9 equation: 


Simplifying
12n = 3n + -9

Reorder the terms:
12n = -9 + 3n

Solving
12n = -9 + 3n

Solving for variable 'n'.

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

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

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

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

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

Simplifying
n = -1

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