Enter values for the matrix.
Enter fractions with a slash, as "3/4" or "-10/3".

Perform the indicated operation(s) on the matrix.

\(\left[\begin{array}{rrr|r}2 & -2 & 4 & 22 \\ 0 & 0 & -3 & -12 \\ 2 & 0 & 2 & 18\end{array}\right]\begin{array}{ll}\phantom{1} & \frac{1}{2}R_1 \to R_1 \\ \phantom{1} & \\ \phantom{1} & \end{array}\)