7n-n-6=12

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Solution for 7n-n-6=12 equation: 


Simplifying
7n + -1n + -6 = 12

Reorder the terms:
-6 + 7n + -1n = 12

Combine like terms: 7n + -1n = 6n
-6 + 6n = 12

Solving
-6 + 6n = 12

Solving for variable 'n'.

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

Add '6' to each side of the equation.
-6 + 6 + 6n = 12 + 6

Combine like terms: -6 + 6 = 0
0 + 6n = 12 + 6
6n = 12 + 6

Combine like terms: 12 + 6 = 18
6n = 18

Divide each side by '6'.
n = 3

Simplifying
n = 3

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