Answer:
Distance Maria had to walk in the afternoon is 
Step-by-step explanation:
Lets take that Maria walked
miles in the afternoon.
Distance walked in the morning + distance walked in the afternoon = 
⇒







The answer would be x=4 and y=-2.
Answer: it’s probably negative 6.5 but there has to be a grid to be more clear
Step-by-step explanation:
Step-by-step explanation:


Note that


Therefore,
