5/2
x=5, Because 31+5=36, 36+5=41 and so on it is ski counting by 5
y=2, because go backwards from 10 2 times you get 8, 10-2=8, 8-2=6 6-2=4
to solve x you will need to add forward by 5 and to solve y you need to go back 2 times.....
answer= 5/2
your welcome!