Put the matrix in reduced row echelon form:
\[\begin{bmatrix} 1 & 3 & 0 & 2 \\ -1 & -3 & -1 & -2 \\ -2 & -6 & -2 & -4 \end{bmatrix}\]Click for (rounded) answer
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\[
\begin{bmatrix}
1 & 3 & 0 & 2 \\
-1 & -3 & -1 & -2 \\
-2 & -6 & -2 & -4
\end{bmatrix}
\]
Solution:
\begin{solution}
\[
\begin{bmatrix}
1 & 3 & 0 & 2 \\
0 & 0 & 1 & 0 \\
0 & 0 & 0 & 0
\end{bmatrix}
\]
\end{solution}