15n-12=3(14+3n)-12

Solution for 15n-12=3(14+3n)-12 equation:

15n-12=3(14+3n)-12

We move all terms to the left:

15n-12-(3(14+3n)-12)=0

We add all the numbers together, and all the variables

15n-(3(3n+14)-12)-12=0


We calculate terms in parentheses: -(3(3n+14)-12), so:

3(3n+14)-12

We multiply parentheses

9n+42-12

We add all the numbers together, and all the variables

9n+30

Back to the equation:

-(9n+30)


We get rid of parentheses

15n-9n-30-12=0

We add all the numbers together, and all the variables

6n-42=0

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

6n=42

n=42/6

n=7