Perform the Indicated Elementary Row Operations $\mathrm { R } _ { 2 }$

Multiple Choice

Perform the indicated elementary row operations.
-(2) $\mathrm { R } _ { 2 }$
$\left[ \begin{array} { r r } 5 & - 4 \\ - 3 & - 9 \end{array} \right]$

A)
$\left[ \begin{array} { r r } 10 & - 8 \\ - 6 & - 18 \end{array} \right]$
B)
$\left[ \begin{array} { r r } 5 & - 4 \\ - 6 & - 18 \end{array} \right]$
C)
$\left[ \begin{array} { l l } 10 & - 8 \\ - 3 & - 9 \end{array} \right]$
D)
$\left[ \begin{array} { r r } 5 & - 8 \\ - 3 & - 18 \end{array} \right]$