N+n+2+n+4=123

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Solution for N+n+2+n+4=123 equation: 



+N+2+N+4=123

We move all terms to the left:

+N+2+N+4-(123)=0

We add all the numbers together, and all the variables

2N-117=0

We move all terms containing N to the left, all other terms to the right

2N=117

N=117/2

N=58+1/2

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