Use the Gauss-Jordan Method to Solve the System of Equations $$\begin{array} { l } 9 x - 7 y = - 14 \\- 7 x + 4 y = 8\end{array}$$

Multiple Choice

Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, give the solution with y arbitrary.
- $$\begin{array} { l } 9 x - 7 y = - 14 \\- 7 x + 4 y = 8\end{array}$$

A) $\{ ( - 1,3 ) \}$
B) $\varnothing$
C) $\{ ( 0,2 ) \}$
D) $\{ ( 0,3 ) \}$