Respuesta :

soggybabies

I could be wrong here

n+6=2n+3

Subtract n from n+6 and subtract n from 2n+3 to get 6=n+3

Subtract 3 from both sides to end up with n = 3

?

Anabam1
I think you make the whole equation = 180. So 2n+3 + n + 6=180
3n +9=180
3n=171 then divide by 3 =57
N=57