3x + 7y, 8x + 4y, 13x + y, 18x - 2y, 23x - 5y, ...
☆Let's simplify step-by-step:☆Question you asked:3x+7y(8)x+4y(13)x+y(18)x−2y(23)x−5y=3x+56xy+52xy+18xy+−46xy+−5y☆Combine Like Terms:=3x+56xy+52xy+18xy+−46xy+−5y=(56xy+52xy+18xy+−46xy)+(3x)+(−5y)☆Answer:=80xy+3x+−5y☆I hope this helps!☆