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Gauss-Jordan elimination on $$$\left[\begin{array}{cc|c}1 & 1 & 1\\-1 & 3 & 2\end{array}\right]$$$
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Your Input
Perform the Gauss-Jordan elimination on $$$\left[\begin{array}{cc|c}1 & 1 & 1\\-1 & 3 & 2\end{array}\right]$$$.
Solution
Add row $$$1$$$ to row $$$2$$$: $$$R_{2} = R_{2} + R_{1}$$$.
$$$\left[\begin{array}{cc|c}1 & 1 & 1\\0 & 4 & 3\end{array}\right]$$$
Answer
The reduced matrix is $$$\left[\begin{array}{cc|c}1 & 1 & 1\\0 & 4 & 3\end{array}\right]$$$A.