N2+2n=15

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Solution for N2+2n=15 equation: 



2+2N=15

We move all terms to the left:

2+2N-(15)=0

We add all the numbers together, and all the variables

2N-13=0

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

2N=13

N=13/2

N=6+1/2

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