Answer:
No Answer
Step-by-step explanation:

cancel out same on both sides

N/A
What are the units they have to be reflected by? here’s a bit of help:
x= up and down units
y= left and right units
i forgot if you add or subtract, but hopefully someone smarter will (:
good luck!
I can answer without knowing how many coins you are tossing
According to my calculations it should be 77