Use Gauss-Jordan Row Reduction to Solve the Given System of Equations

question 3

Multiple Choice

Use Gauss-Jordan row reduction to solve the given system of equations.
$\begin{aligned}x + y + 5 z & = 3 \\y + 2 z + w & = 1 \\x + 3 y + 7 z + 2 w & = 4 \\x + y + 5 z + w & = 1\end{aligned}$

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