Perform the Indicated Elementary Row Operations $\begin{array} { l } ( - 10 ) R _ { 2 } + R _ { 1 } \\{ \left[ \begin{array} { r r } 3 & - 1 \\10 & - 3\end{array} \right] }\end{array}$

Multiple Choice

Perform the indicated elementary row operations.
- $\begin{array} { l } ( - 10 ) R _ { 2 } + R _ { 1 } \\{ \left[ \begin{array} { r r } 3 & - 1 \\10 & - 3\end{array} \right] }\end{array}$

A) $\left[\begin{array}{rr}-97 & 29 \\10 & -3\end{array}\right]$

B) $\left[\begin{array}{rr}3 & -1 \\-100 & 30\end{array}\right]$

C) $\left[\begin{array}{ll}13 & -1 \\40 & -3\end{array}\right]$

D) $\left[\begin{array}{rr}3 & -1 \\-20 & 7\end{array}\right]$