7n+39=-5n+3(8n-21)

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Solution for 7n+39=-5n+3(8n-21) equation: 



7n+39=-5n+3(8n-21)

We move all terms to the left:

7n+39-(-5n+3(8n-21))=0



We calculate terms in parentheses: -(-5n+3(8n-21)), so:

-5n+3(8n-21)

We multiply parentheses

-5n+24n-63

We add all the numbers together, and all the variables

19n-63

Back to the equation:

-(19n-63)



We get rid of parentheses

7n-19n+63+39=0

We add all the numbers together, and all the variables

-12n+102=0

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

-12n=-102

n=-102/-12

n=8+1/2

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