Respuesta :
Ray is [tex]x[/tex] years old.
Ron is [tex]y[/tex] years old.
In 2 years, Ron will be two years older than now, so [tex]x+y+2[/tex] years old.
if you want to find how old ray was 3 years ago, then you don’t need that second piece of info. ray would be x-3 years old.