Respuesta :
You collect the like terms
You move three n to the other side as a negative
Then you move negative six to other side as a positive
So, now you have 2n=20
You divide by two to get the answer is 10
You move three n to the other side as a negative
Then you move negative six to other side as a positive
So, now you have 2n=20
You divide by two to get the answer is 10