Solve the System by Using the Inverse of the Coefficient $$\begin{array} { l } - 5 x _ { 1 } + 3 x _ { 2 } = 8 \\- 2 x _ { 1 } + 4 x _ { 2 } = 20\end{array}$$

question 63

Multiple Choice

Solve the system by using the inverse of the coefficient matrix.
- $$\begin{array} { l } - 5 x _ { 1 } + 3 x _ { 2 } = 8 \\- 2 x _ { 1 } + 4 x _ { 2 } = 20\end{array}$$

• A) \(( 2,6 )\)
• B) \(( - 2 , - 6 )\)
• C) \(( - 6 , - 2 )\)
• D) \(( 6,2 )\)

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