12=3(2n-8)-4n

Solution for 12=3(2n-8)-4n equation:

12=3(2n-8)-4n

We move all terms to the left:

12-(3(2n-8)-4n)=0


We calculate terms in parentheses: -(3(2n-8)-4n), so:

3(2n-8)-4n

We add all the numbers together, and all the variables

-4n+3(2n-8)

We multiply parentheses

-4n+6n-24

We add all the numbers together, and all the variables

2n-24

Back to the equation:

-(2n-24)


We get rid of parentheses

-2n+24+12=0

We add all the numbers together, and all the variables

-2n+36=0

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

-2n=-36

n=-36/-2

n=+18