7n-6-4n=12+n

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Solution for 7n-6-4n=12+n equation:


Simplifying
7n + -6 + -4n = 12 + n

Reorder the terms:
-6 + 7n + -4n = 12 + n

Combine like terms: 7n + -4n = 3n
-6 + 3n = 12 + n

Solving
-6 + 3n = 12 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-6 + 3n + -1n = 12 + n + -1n

Combine like terms: 3n + -1n = 2n
-6 + 2n = 12 + n + -1n

Combine like terms: n + -1n = 0
-6 + 2n = 12 + 0
-6 + 2n = 12

Add '6' to each side of the equation.
-6 + 6 + 2n = 12 + 6

Combine like terms: -6 + 6 = 0
0 + 2n = 12 + 6
2n = 12 + 6

Combine like terms: 12 + 6 = 18
2n = 18

Divide each side by '2'.
n = 9

Simplifying
n = 9

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