Answer 4th question
Q.4. $$\begin{gathered} \frac{5}{x-1}+\frac{1}{y-2}=2 \\ \frac{6}{x-1}-\frac{3}{y-2}=1 \left(x\ne 1 and y\ne 2\right) \end{gathered}$$
(solution, x = 4, y = 9)