-3(3n+7)=6+3(n-5)

Solution for -3(3n+7)=6+3(n-5) equation:

-3(3n+7)=6+3(n-5)

We move all terms to the left:

-3(3n+7)-(6+3(n-5))=0

We multiply parentheses

-9n-(6+3(n-5))-21=0


We calculate terms in parentheses: -(6+3(n-5)), so:

6+3(n-5)

determiningTheFunctionDomain
3(n-5)+6

We multiply parentheses

3n-15+6

We add all the numbers together, and all the variables

3n-9

Back to the equation:

-(3n-9)


We get rid of parentheses

-9n-3n+9-21=0

We add all the numbers together, and all the variables

-12n-12=0

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

-12n=12

n=12/-12

n=-1