Solve the System Using Gauss-Jordan Elimination $$\left\{ \begin{array} { l } w + x = 9 \\w + y = 0 \\x + z = 0\end{array} \right.$$

question 22

Multiple Choice

Solve the system using Gauss-Jordan elimination.​ $$\left\{ \begin{array} { l } w + x = 9 \\w + y = 0 \\x + z = 0\end{array} \right.$$

• A) \[w = - 9 + z , x = - z , y = - 9 - z , z\]
• B) \(w = 9 + z , x = - z , y = - 9 - z , z\)
• C) \[w = 9 + z , x = - z , y = 9 - z , z\] ​
• D) \(w = 9 + z , x = - z , y = 9 + z , z\) ​
• E) \(w = 9 - z , x = - z , y = - 9 - z , z\) ​

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