\[ x y'(x)-y(x)+x \cos \left (\frac {y(x)}{x}\right )+x=0 \] ✓ Mathematica : cpu = 0.101657 (sec), leaf count = 16
\[\left \{\left \{y(x)\to 2 x \tan ^{-1}(-\log (x)+c_1)\right \}\right \}\] ✓ Maple : cpu = 0.036 (sec), leaf count = 12
\[y \relax (x ) = -2 \arctan \left (\ln \relax (x )+c_{1}\right ) x\]