Answer:
15y
Step-by-step explanation:
first the 2 can cancel:
[tex]\frac{2x}{2y} =16[/tex]
turns into:
[tex]\frac{x}{y} =16[/tex]
now since we need to find x-y,
x=16y
16y-y=15y
I might come back to this because I'm not 100% sure this is the answer you are looking for. Let me know if you have any questions.