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

question 1

Multiple Choice

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

• A) \(( 3,5,1 )\)
• B) \(\left( \frac { 3 } { 2 } , \frac { 5 } { 2 } , - 1 \right)\)
• C) \(\left( 0 , \frac { 5 } { 2 } , - 1 \right)\)
• D) \(\left( 2 , \frac { 3 } { 2 } , - 1 \right)\)
• E)none

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