Find the value of x if ![\left[ \begin{matrix} \begin{matrix} 3x+y & \quad -y \end{matrix} \\ \begin{matrix} 2y-x & \quad \quad 3 \end{matrix} \end{matrix} \right] =\begin{bmatrix} 1 & 2 \\ -5 & 3 \end{bmatrix}](https://s0.wp.com/latex.php?latex=%5Cleft%5B+%5Cbegin%7Bmatrix%7D+%5Cbegin%7Bmatrix%7D+3x%2By+%26+%5Cquad+-y+%5Cend%7Bmatrix%7D+%5C%5C+%5Cbegin%7Bmatrix%7D+2y-x+%26+%5Cquad+%5Cquad+3+%5Cend%7Bmatrix%7D+%5Cend%7Bmatrix%7D+%5Cright%5D+%3D%5Cbegin%7Bbmatrix%7D+1+%26+2+%5C%5C+-5+%26+3+%5Cend%7Bbmatrix%7D+&bg=ffffff&fg=000&s=2&c=20201002)
Solution:
If ![\left[ \begin{matrix} \begin{matrix} x+3 & \quad \quad 4 \end{matrix} \\ \begin{matrix} y-4 & \quad \quad x+y \end{matrix} \end{matrix} \right] =\begin{bmatrix} 5 & 4 \\ 3 & 9 \end{bmatrix}](https://s0.wp.com/latex.php?latex=%5Cleft%5B+%5Cbegin%7Bmatrix%7D+%5Cbegin%7Bmatrix%7D+x%2B3+%26+%5Cquad+%5Cquad+4+%5Cend%7Bmatrix%7D+%5C%5C+%5Cbegin%7Bmatrix%7D+y-4+%26+%5Cquad+%5Cquad+x%2By+%5Cend%7Bmatrix%7D+%5Cend%7Bmatrix%7D+%5Cright%5D+%3D%5Cbegin%7Bbmatrix%7D+5+%26+4+%5C%5C+3+%26+9+%5Cend%7Bbmatrix%7D+&bg=ffffff&fg=000&s=2&c=20201002)
,find values of x and y
Solution:
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