3n-n=-9

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Solution for 3n-n=-9 equation: 


Simplifying
3n + -1n = -9

Combine like terms: 3n + -1n = 2n
2n = -9

Solving
2n = -9

Solving for variable 'n'.

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

Divide each side by '2'.
n = -4.5

Simplifying
n = -4.5

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