n-3n=-12

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Solution for n-3n=-12 equation: 


Simplifying
n + -3n = -12

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

Solving
-2n = -12

Solving for variable 'n'.

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

Divide each side by '-2'.
n = 6

Simplifying
n = 6

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