Solve the System Using Gaussian Elimination or Gauss-Jordan Elimination $$\begin{aligned}5 x - 7 y & = - 3 \\- 6 x + 5 y & = 7\end{aligned}$$

question 140

Multiple Choice

Solve the system using Gaussian elimination or Gauss-Jordan elimination.
- $$\begin{aligned}5 x - 7 y & = - 3 \\- 6 x + 5 y & = 7\end{aligned}$$

• A) \(\{ ( - 2 , - 1 ) \}\)
• B) \(\{ ( - 1 , - 2 ) \}\)
• C) \(\{ ( 2,1 ) \}\)
• D) \(\{ ( - 1,2 ) \}\)

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