N+7-n-12-n=n-6+8

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Solution for N+7-n-12-n=n-6+8 equation: 


Simplifying
N + 7 + -1n + -12 + -1n = n + -6 + 8

Reorder the terms:
7 + -12 + N + -1n + -1n = n + -6 + 8

Combine like terms: 7 + -12 = -5
-5 + N + -1n + -1n = n + -6 + 8

Combine like terms: -1n + -1n = -2n
-5 + N + -2n = n + -6 + 8

Reorder the terms:
-5 + N + -2n = -6 + 8 + n

Combine like terms: -6 + 8 = 2
-5 + N + -2n = 2 + n

Solving
-5 + N + -2n = 2 + n

Solving for variable 'N'.

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

Add '5' to each side of the equation.
-5 + N + 5 + -2n = 2 + 5 + n

Reorder the terms:
-5 + 5 + N + -2n = 2 + 5 + n

Combine like terms: -5 + 5 = 0
0 + N + -2n = 2 + 5 + n
N + -2n = 2 + 5 + n

Combine like terms: 2 + 5 = 7
N + -2n = 7 + n

Add '2n' to each side of the equation.
N + -2n + 2n = 7 + n + 2n

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

Combine like terms: n + 2n = 3n
N = 7 + 3n

Simplifying
N = 7 + 3n

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