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Find the Complete Solution of the Linear System or Show {x+2y+w=33x+2y−z−w=0y+2w=1y+z+w=3\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

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Find the complete solution of the linear system or show that it is inconsistent. {x+2y+w=33x+2y−z−w=0y+2w=1y+z+w=3\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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