6*n+n=21

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Solution for 6*n+n=21 equation: 


Simplifying
6n + n = 21

Combine like terms: 6n + n = 7n
7n = 21

Solving
7n = 21

Solving for variable 'n'.

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

Divide each side by '7'.
n = 3

Simplifying
n = 3

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