Use the Gauss-Jordan Method to Solve the System of Equations $$\begin{array} { l } x - z = 5 \\y + z = 2 \\x + z = 9\end{array}$$

question 278

Multiple Choice

Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, let the last
variable be the arbitrary variable.
- $$\begin{array} { l } x - z = 5 \\y + z = 2 \\x + z = 9\end{array}$$

• A) \(\{ ( 14,0,4 ) \}\)
• B) \(\{ ( 2,5 , - 3 ) \}\)
• C) \(\{ ( 7,0,2 ) \}\)
• D) \(\{ ( 5,2,0 ) \}\)

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