Find X and Y $\left[ \begin{array} { c c } - 6 & x \\y & 7\end{array} \right] = \left[ \begin{array} { c c } - 6 & - 4 \\- 9 & 7\end{array} \right]$

Multiple Choice

Find x and y. $\left[ \begin{array} { c c } - 6 & x \\y & 7\end{array} \right] = \left[ \begin{array} { c c } - 6 & - 4 \\- 9 & 7\end{array} \right]$

A) x = 4, y = 9
B) x = -6, y = 7
C) x = -9, y = -4
D) x = -4, y = -9
E) x = -4, y = -4