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

Perform the indicated operation(s) on the matrix.

\(\left[\begin{array}{rrr|r}1 & 3 & -5 & 30 \\ -1 & 5 & -5 & 36 \\ -4 & -5 & -1 & -1\end{array}\right]\begin{array}{ll}\phantom{1} & \\ \phantom{1} & R_1 + R_2 \to R_2 \\ \phantom{1} & 4R_1 + R_3 \to R_3\end{array}\)