N2-18n=40

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Solution for N2-18n=40 equation: 



2-18N=40

We move all terms to the left:

2-18N-(40)=0

We add all the numbers together, and all the variables

-18N-38=0

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

-18N=38

N=38/-18

N=-2+1/9

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