N+4=7+5

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Solution for N+4=7+5 equation: 


Simplifying
N + 4 = 7 + 5

Reorder the terms:
4 + N = 7 + 5

Combine like terms: 7 + 5 = 12
4 + N = 12

Solving
4 + N = 12

Solving for variable 'N'.

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

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

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

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

Simplifying
N = 8

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