[Step-by-Step] Use an appropriate row operation or sequence of row operations to find the equivalent row-reduced matrix.
Question: Use an appropriate row operation or sequence of row operations to find the equivalent row-reduced matrix.
\[\left(\begin{array}{lll|l} 0 & 1 & 0 & 8 \\ 1 & 0 & 0 & 9 \\ 0 & 0 & 1 & 2 \end{array}\right)\]
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