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(Solved): 8. Solving the following system of equations using matrix notation. Indicate the row-operations use ...
8. Solving the following system of equations using matrix notation. Indicate the row-operations used at each step clearly. \[ \begin{array}{l} X+2 Y+4 Z=11 \\ 2 X+Y+2 Z=7 \\ 3 X-3 Y-2 Z=-2 \end{array} \]