N(n-3)=8(n-3)

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Solution for N(n-3)=8(n-3) equation: 



(N-3)=8(N-3)

We move all terms to the left:

(N-3)-(8(N-3))=0

We get rid of parentheses

N-(8(N-3))-3=0



We calculate terms in parentheses: -(8(N-3)), so:

8(N-3)

We multiply parentheses

8N-24

Back to the equation:

-(8N-24)



We get rid of parentheses

N-8N+24-3=0

We add all the numbers together, and all the variables

-7N+21=0

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

-7N=-21

N=-21/-7

N=+3

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