Use the Gauss-Jordan Method to Solve the System of Equations $$\begin{array} { l } 3 x + 3 y = 9 \\2 x + 2 y = 6\end{array}$$

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.
- $$\begin{array} { l } 3 x + 3 y = 9 \\2 x + 2 y = 6\end{array}$$

A) $\{ ( - 3 , - 6 ) \}$
B) $\{ ( 6 , - 3 ) \}$
C) $\varnothing$
D) $\{ ( - 3,6 ) \}$