$(1$ point$)$ Consider the system $of$ equations

$\frac{dx}{dt}=x(2-x-3y)$

$\frac{dy}{dt}=y(1-2x)$

taking $(x,y)>0x-y=x.y-y=x.x,y(3,4)\mathrm{.}3,\frac{1}{2}$