=2n-n+7n

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Solution for =2n-n+7n equation: 


Simplifying
0 = 2n + -1n + 7n

Combine like terms: 2n + -1n = 1n
0 = 1n + 7n

Combine like terms: 1n + 7n = 8n
0 = 8n

Solving
0 = 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
0 + -8n = 8n + -8n
Remove the zero:
-8n = 8n + -8n

Combine like terms: 8n + -8n = 0
-8n = 0

Divide each side by '-8'.
n = 0

Simplifying
n = 0

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