Answer:
5x−4y
Step-by-step explanation:
:D
Answer: 5x - 4y
Step-by-step explanation: combining like terms means to combine the terms that have the same letter. so since the 3 and 2 have an x you combine them and the 3 and -7 have a y you combine them. hope this helped:)
Answer: Is third one
hope it help you
Thank u
20+y=xgallons