### Perform the indicated operation(s) on the matrix.

\(\left[\begin{array}{rrr|r}3 & 3 & -5 & -20 \\
0 & -1 & 0 & -2 \\
-2 & -2 & 5 & 20\end{array}\right]\begin{array}{ll}\phantom{1} & \frac{1}{3}R_1 \to R_1 \\
\phantom{1} & \\
\phantom{1} & \end{array}\)