Use Gaussian Elimination to Solve the System of Equations $$\begin{array} { l } x + y + z = 2 \\x - y + 5 z = - 22 \\2 x + y + z = 7\end{array}$$

Multiple Choice

Use Gaussian elimination to solve the system of equations.
- $$\begin{array} { l } x + y + z = 2 \\x - y + 5 z = - 22 \\2 x + y + z = 7\end{array}$$

A) $( 5,2 , - 5 )$
B) $( - 5,2,5 )$
C) $( - 5,5,2 )$
D) No solution