39(-9-4n)-4=8n-(9+12)

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Solution for 39(-9-4n)-4=8n-(9+12) equation: 



39(-9-4n)-4=8n-(9+12)

We move all terms to the left:

39(-9-4n)-4-(8n-(9+12))=0

We add all the numbers together, and all the variables

39(-4n-9)-(8n-21)-4=0

We multiply parentheses

-156n-(8n-21)-351-4=0

We get rid of parentheses

-156n-8n+21-351-4=0

We add all the numbers together, and all the variables

-164n-334=0

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

-164n=334

n=334/-164

n=-2+3/82

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