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

question 178

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) \(\{ ( 0,3 ) \}\)

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