-2n-n=-12

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Solution for -2n-n=-12 equation: 


Simplifying
-2n + -1n = -12

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

Solving
-3n = -12

Solving for variable 'n'.

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

Divide each side by '-3'.
n = 4

Simplifying
n = 4

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