3-(n+7)=3(2N+1)

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Solution for 3-(n+7)=3(2N+1) equation: 



3-(n+7)=3(2+1)

We move all terms to the left:

3-(n+7)-(3(2+1))=0

We add all the numbers together, and all the variables

-(n+7)+3-(33)=0

We add all the numbers together, and all the variables

-(n+7)-30=0

We get rid of parentheses

-n-7-30=0

We add all the numbers together, and all the variables

-1n-37=0

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

-n=37

n=37/-1

n=-37

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