Solve the following system of linear equations, by using theGauss-Jordan elimination method (the reduced row echelonform). \( \left(\begin{array}{ccccc|c}1 & 1 & 1 & -1 & 0 & -2 \\ 2 & 0 & 4 & 1 & -1 & 10 \\ 1 & 2 & 0 & -1 & 2 & -3 \\ 0 & 1 & -1 & 2 & 4 & 7\end{array}\right) \) 2 answers