9+4(3+7n)=3(8n+7)+4n

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Solution for 9+4(3+7n)=3(8n+7)+4n equation: 



9+4(3+7n)=3(8n+7)+4n

We move all terms to the left:

9+4(3+7n)-(3(8n+7)+4n)=0

We add all the numbers together, and all the variables

4(7n+3)-(3(8n+7)+4n)+9=0

We multiply parentheses

28n-(3(8n+7)+4n)+12+9=0



We calculate terms in parentheses: -(3(8n+7)+4n), so:

3(8n+7)+4n

We add all the numbers together, and all the variables

4n+3(8n+7)

We multiply parentheses

4n+24n+21

We add all the numbers together, and all the variables

28n+21

Back to the equation:

-(28n+21)



We add all the numbers together, and all the variables

28n-(28n+21)+21=0

We get rid of parentheses

28n-28n-21+21=0

We add all the numbers together, and all the variables

=0

n=0/1

n=0

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