Answer
$\begin{bmatrix}
4&3 &7 \\
0 & 8 & 17 \\
\end{bmatrix}$
Work Step by Step
The augmented matrix is
$\begin{bmatrix}
4&3 &7 \\
4 & 11 & 24 \\
\end{bmatrix}$
Perform the given operations.
$R_2\rightarrow R_2-R_1$
$\begin{bmatrix}
4&3 &7 \\
4-4 & 11-3 & 24-7 \\
\end{bmatrix}$
Simplify.
$\begin{bmatrix}
4&3 &7 \\
0 & 8 & 17 \\
\end{bmatrix}$
The above matrix is the upper triangular form.