Answer:
\(\frac{dx}{dt}=0\ when\ x=0\ and\ y=3-x\)
\(\frac{dy}{dt}=0\ when\ x=5-y\ and\ y=0\)
The population will tend to the equilibrium point \(\left(0,5\right)\), this means that in the long run the population of \(A\) will tend to zero and the population of \(B\) will tend to \(5000\).