-3(3n+7)=-4(n+6)-8n

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Solution for -3(3n+7)=-4(n+6)-8n equation: 



-3(3n+7)=-4(n+6)-8n

We move all terms to the left:

-3(3n+7)-(-4(n+6)-8n)=0

We multiply parentheses

-9n-(-4(n+6)-8n)-21=0



We calculate terms in parentheses: -(-4(n+6)-8n), so:

-4(n+6)-8n

We add all the numbers together, and all the variables

-8n-4(n+6)

We multiply parentheses

-8n-4n-24

We add all the numbers together, and all the variables

-12n-24

Back to the equation:

-(-12n-24)



We get rid of parentheses

-9n+12n+24-21=0

We add all the numbers together, and all the variables

3n+3=0

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

3n=-3

n=-3/3

n=-1

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