Just combine like terms. So 9x would go with -7x and 4y will go with 2y. so 9x-7x equals 2x, and then 4y+2y equals 6y.So your final expression will be 2x+6y
Answer:
Dairy is a type of food product and a Diary is a writing log someone might keep for themselves
It would be physical features to describe how they look.
