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

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

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

We move all terms to the left:

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

We add all the numbers together, and all the variables

-6(3n+12)-(3(-3n+3))=0

We multiply parentheses

-18n-(3(-3n+3))-72=0


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

3(-3n+3)

We multiply parentheses

-9n+9

Back to the equation:

-(-9n+9)


We get rid of parentheses

-18n+9n-9-72=0

We add all the numbers together, and all the variables

-9n-81=0

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

-9n=81

n=81/-9

n=-9