2000017406

For which numbers $x$ and $y$ is the following equality true? $$\left(\begin{array}{cc}2& 3\\ 1& -5\end{array}\right)\cdot \left(\begin{array}{c}x\\ y\end{array}\right)=\left(\begin{array}{cc}1.5& x\\ y& 5\end{array}\right)\cdot \left(\begin{array}{c}-2\\ -1\end{array}\right)$$