Solve the System Using Matrices $$\begin{array} { l } 5 x + 4 y = 32 \\- 9 x + 7 y = - 86\end{array}$$

question 58

Multiple Choice

Solve the system using matrices.
- $$\begin{array} { l } 5 x + 4 y = 32 \\- 9 x + 7 y = - 86\end{array}$$

• A)(7, -1)
• B)(8, -2)
• C)(-8, -1)
• D)inconsistent system

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