-3n-9n=

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Solution for -3n-9n= equation: 


Simplifying
-3n + -9n = 0

Combine like terms: -3n + -9n = -12n
-12n = 0

Solving
-12n = 0

Solving for variable 'n'.

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

Divide each side by '-12'.
n = 0

Simplifying
n = 0

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