Solve Using Matrices $$\begin{array} { r } x + 7 y = - 2 \\3 x + y = 34\end{array}$$

question 6

Multiple Choice

Solve using matrices.
- $$\begin{array} { r } x + 7 y = - 2 \\3 x + y = 34\end{array}$$

• A) \(( 3,7 )\)
• B) \(( 12 , - 2 )\)
• C) \(( 7,12 )\)
• D) \(( - 2,3 )\)

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