Find the value of `x` , if `[(3x+y,-y),(2y-x,3)]=[(1, 2),(-5, 3)]` .

Explanation

To solve the problem, we need to find the value of \( x \) given the matrix equation:

\[
\begin{pmatrix}
3x + y & -y \\
2y - x & 3
\end{pmatrix}
=
...