Matrices And Determinants

If the matrix $$\mathrm{A}=\left[\begin{array}{cc}1 & 2 \\ -5 & 1\end{array}\right]$$ and \(\mathrm{A}^{-1}=x \mathrm{~A}+y \mathrm{I}\), when \(I\) is a unit matrix of order 2 , then the value of \(2 x+3 y\) is