Solve Matrix Equations
-Let $\mathrm { A } = \left[ \begin{array} { r r } 9 & 4 \\ 4 & 9 \\ - 3 & 6 \end{array} \right]$

Solve Matrix Equations
-Let $\mathrm { A } = \left[ \begin{array} { r r } 9 & 4 \\ 4 & 9 \\ - 3 & 6 \end{array} \right]$ and $\mathrm { B } = \left[ \begin{array} { r r } - 2 & - 1 \\ 9 & - 9 \\ - 5 & 4 \end{array} \right] ; \quad \mathrm { X } - \mathrm { B } = \mathrm { A }$

A)
$\left[ \begin{array} { c c } 7 & 3 \\ 13 & 0 \\ - 8 & 10 \end{array} \right]$
B)
$\left[ \begin{array} { r r } 11 & 5 \\ - 5 & 18 \\ 2 & 14 \end{array} \right]$
C)
$\left[ \begin{array} { r r } 7 & 3 \\ - 13 & 9 \\ - 8 & - 10 \end{array} \right]$

D)
$\left[ \begin{array} { r r } 7 & 9 \\ 13 & 0 \\ - 8 & 10 \end{array} \right]$