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Find the Complete Solution of the System {x+y+z=3xy+z=2x+y+3z=1\left\{ \begin{array} { r } x + y + z = 3 \\x - y + z = - 2 \\x + y + 3 z = 1\end{array} \right.

Question 28

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Find the complete solution of the system. {x+y+z=3xy+z=2x+y+3z=1\left\{ \begin{array} { r } x + y + z = 3 \\x - y + z = - 2 \\x + y + 3 z = 1\end{array} \right.

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