Write a System of Linear Equations Represented by the Augmented $$\left[ \begin{array} { r r | r } - 7 & 9 & - 1 \\5 & - 6 & 7\end{array} \right]$$

question 18

Multiple Choice

Write a system of linear equations represented by the augmented matrix.
- $$\left[ \begin{array} { r r | r } - 7 & 9 & - 1 \\5 & - 6 & 7\end{array} \right]$$

• A) \(- 7 x - 9 y = 1\)
• \(5 x + 6 y = 7\)
• B) \(- 7 x - 9 y = 1\)
• \(5 x + 6 y = - 7\)
• C) \(- 7 x + 9 y = - 1\)
• \(5 x - 6 y = - 7\)
• D) \(- 7 x + 9 y = - 1\)
• \(5 x - 6 y = 7\)

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