Solve the System Using Gaussian Elimination or Gauss-Jordan Elimination $$\begin{array} { l } - 2 x - y + 3 z = 13 \\x - 3 y - 3 z = - 4\end{array}$$

question 55

Multiple Choice

Solve the system using Gaussian elimination or Gauss-Jordan elimination.
- $$\begin{array} { l } - 2 x - y + 3 z = 13 \\x - 3 y - 3 z = - 4\end{array}$$

• A) \(\{ ( - 1 , - 2,3 ) \}\)
• B) \(\left\{ \left( \frac { 12 } { 7 } z - \frac { 43 } { 7 } , - \frac { 3 } { 7 } z - \frac { 5 } { 7 } , z \right) \mid z \right.\) is any real number \(\}\)
• C){}
• D) \(\{ ( 1,2 , - 3 ) \}\)

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