9+8n=3(2n+7)

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Solution for 9+8n=3(2n+7) equation: 



9+8n=3(2n+7)

We move all terms to the left:

9+8n-(3(2n+7))=0



We calculate terms in parentheses: -(3(2n+7)), so:

3(2n+7)

We multiply parentheses

6n+21

Back to the equation:

-(6n+21)



We get rid of parentheses

8n-6n-21+9=0

We add all the numbers together, and all the variables

2n-12=0

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

2n=12

n=12/2

n=6

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