Respuesta :
first add y to both sides to get 9x=45+y than subtract 45 from both sides to get 9x-45=y or y=9x-45
Add {Y} to both sides to get 9x=45+y
Subtract 45 from both sides and you will get Y=9x-45
Subtract 45 from both sides and you will get Y=9x-45