N-12=7-8n

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Solution for N-12=7-8n equation: 



-12=7-8N

We move all terms to the left:

-12-(7-8N)=0

We add all the numbers together, and all the variables

-(-8N+7)-12=0

We get rid of parentheses

8N-7-12=0

We add all the numbers together, and all the variables

8N-19=0

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

8N=19

N=19/8

N=2+3/8

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