3(3n-6)=3(1+2n)

Solution for 3(3n-6)=3(1+2n) equation:

3(3n-6)=3(1+2n)

We move all terms to the left:

3(3n-6)-(3(1+2n))=0

We add all the numbers together, and all the variables

3(3n-6)-(3(2n+1))=0

We multiply parentheses

9n-(3(2n+1))-18=0


We calculate terms in parentheses: -(3(2n+1)), so:

3(2n+1)

We multiply parentheses

6n+3

Back to the equation:

-(6n+3)


We get rid of parentheses

9n-6n-3-18=0

We add all the numbers together, and all the variables

3n-21=0

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

3n=21

n=21/3

n=7