N(2n+2)=420

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Solution for N(2n+2)=420 equation: 



(2N+2)=420

We move all terms to the left:

(2N+2)-(420)=0

We get rid of parentheses

2N+2-420=0

We add all the numbers together, and all the variables

2N-418=0

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

2N=418

N=418/2

N=209

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