# Math Help - implicit diff. step check

1. ## implicit diff. step check

Problem:
$e^{x/y} = x - y$

Solution attempt 1:

i) differentiate both sides of function,
$\frac{e^{x/y}(y-xy')}{y^2} = 1 -y'$

2. Check! Now for some algebra...

3. Why don't you take the Log and work with $x=y\ln(x-y)$