\[ \left \{t x'(t)+2 x(t)=t,-((t+2) x(t))+t y'(t)-t y(t)=-t\right \} \] ✓ Mathematica : cpu = 0.0094017 (sec), leaf count = 39
\[\left \{\left \{x(t)\to \frac {t}{3}+\frac {c_1}{t^2},y(t)\to -\frac {c_1}{t^2}-\frac {t}{3}+c_2 e^t\right \}\right \}\] ✓ Maple : cpu = 0.069 (sec), leaf count = 39
\[\left \{x \relax (t ) = \frac {t}{3}+\frac {c_{2}}{t^{2}}, y \relax (t ) = \frac {3 c_{1} {\mathrm e}^{t} t^{2}-t^{3}-3 c_{2}}{3 t^{2}}\right \}\]