Find the Complete Solution of the Linear System or Show $$\left\{ \begin{array} { r } x + 2 y + w = 3 \\3 x + 2 y - z - w = 0 \\y + 2 w = 1 \\y + z + w = 3\end{array} \right.$$

question 15

Essay

Find the complete solution of the linear system or show that it is inconsistent. $$\left\{ \begin{array} { r } x + 2 y + w = 3 \\3 x + 2 y - z - w = 0 \\y + 2 w = 1 \\y + z + w = 3\end{array} \right.$$

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