Conversion correctness

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Does the matrix (526284431511)\left( \begin{array}{ccc|c} 5 & 2 & 6 & 2\\ 8 & 4 & 4 & 3\\ 1 & 5 & 1 & 1\\ \end{array} \right) correspond to the system {5x+2y+6z=28y+4x+4z=3x+5y+z=1\begin{cases} 5x+2y+6z= 2\\ 8y+4x + 4z =3\\ x+5y+z = 1 \end{cases} ?

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