Use the Gauss-Jordan Method to Solve the System of Equations $$\begin{array} { l } 7 x + 7 y = - 42 \\- 4 x - 4 y = 24\end{array}$$

question 383

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.
- $$\begin{array} { l } 7 x + 7 y = - 42 \\- 4 x - 4 y = 24\end{array}$$

• A) \(\{ ( - 6,1 ) \}\)
• B) \(\{ ( - 6,0 ) \}\)
• C) \(\varnothing\)
• D) \(\{ ( - 7,1 ) \}\)

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