N+5+7=8n-8n+4

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Solution for N+5+7=8n-8n+4 equation:


Simplifying
N + 5 + 7 = 8n + -8n + 4

Reorder the terms:
5 + 7 + N = 8n + -8n + 4

Combine like terms: 5 + 7 = 12
12 + N = 8n + -8n + 4

Reorder the terms:
12 + N = 4 + 8n + -8n

Combine like terms: 8n + -8n = 0
12 + N = 4 + 0
12 + N = 4

Solving
12 + N = 4

Solving for variable 'N'.

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

Add '-12' to each side of the equation.
12 + -12 + N = 4 + -12

Combine like terms: 12 + -12 = 0
0 + N = 4 + -12
N = 4 + -12

Combine like terms: 4 + -12 = -8
N = -8

Simplifying
N = -8

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