6n-8n+9n=84

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Solution for 6n-8n+9n=84 equation: 


Simplifying
6n + -8n + 9n = 84

Combine like terms: 6n + -8n = -2n
-2n + 9n = 84

Combine like terms: -2n + 9n = 7n
7n = 84

Solving
7n = 84

Solving for variable 'n'.

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

Divide each side by '7'.
n = 12

Simplifying
n = 12

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