3(-9-4n)-4=8n-8(n+12)

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Solution for 3(-9-4n)-4=8n-8(n+12) equation: 



3(-9-4n)-4=8n-8(n+12)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-12n-(8n-8(n+12))-27-4=0



We calculate terms in parentheses: -(8n-8(n+12)), so:

8n-8(n+12)

We multiply parentheses

8n-8n-96

We add all the numbers together, and all the variables

-96

Back to the equation:

-(-96)



We add all the numbers together, and all the variables

-12n+65=0

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

-12n=-65

n=-65/-12

n=5+5/12

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