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Solve the System of Equations by Using an Inverse Matrix 5x+4y=84x2y=22\begin{array} { c } 5 x + 4 y = 8 \\4 x - 2 y = 22\end{array}

Question 68

Multiple Choice

Solve the system of equations by using an inverse matrix.
- 5x+4y=84x2y=22\begin{array} { c } 5 x + 4 y = 8 \\4 x - 2 y = 22\end{array}


A) (4,3) ( 4 , - 3 )
B) (4,3) ( - 4,3 )
C) (3,4) ( 3 , - 4 )
D) (3,4) ( - 3,4 )

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