Answer:
7xy - 6yz
Step-by-step explanation:
7xy + 4yz - 10yz =
You need to combine like terms. Like terms have the same variable part. There is no term like 7xy, but the terms 4yz and -10yz are like terms and can be combined.
= 7xy - 6yz
Saturday
Each 7 days brings you back to the original day
80/7=11R3
Wednesday+3= Saturday
73.75
