If x = {even number less than 20} and y = {multiples of 3 less than 20} find x - y and y - x?

Question

Find x-y and y-x

Also represent in separate Venn diagrams. Is x-y = y-x

Answer 1

x = {2, 4, 6, 8, 10, 12, 14, 16, 18 }

y = {3, 6, 9, 12, 15, 18}

 

What is x - y?

 

What is y - x?