2n-9=2(6+2n)

Solution for 2n-9=2(6+2n) equation:

2n-9=2(6+2n)

We move all terms to the left:

2n-9-(2(6+2n))=0

We add all the numbers together, and all the variables

2n-(2(2n+6))-9=0


We calculate terms in parentheses: -(2(2n+6)), so:

2(2n+6)

We multiply parentheses

4n+12

Back to the equation:

-(4n+12)


We get rid of parentheses

2n-4n-12-9=0

We add all the numbers together, and all the variables

-2n-21=0

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

-2n=21

n=21/-2

n=-10+1/2