Find dy/dx given x^2+ y^2= 2xy. Im not sure how to find dy/dx

2 x dx/dx + 2 y dy/dx = 2x dy/dx + y (2 dx/dx)

2 x + 2 y dy/dx -2 x dy/dx = 2 y

dy/dx (y-x) = (y-x)

dy/dx = 1