Answer:

Explanation:
I can't do much except put the Pythagorean theorem in terms of y or x.
All I did was isolate x or y by subtracting the, x or y variable from each side.

Which tuns it into:

And I isolated further by squaring each side, but squaring negative number is difficult and causes imaginary numbers so I just think it should stay as all of them to the power of two.