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Solve the System by Using the Inverse of the Coefficient 2x14x2=23x1+4x2=23\begin{array} { l } 2 x _ { 1 } - 4 x _ { 2 } = - 2 \\3 x _ { 1 } + 4 x _ { 2 } = - 23\end{array}

Question 2

Multiple Choice

Solve the system by using the inverse of the coefficient matrix.
- 2x14x2=23x1+4x2=23\begin{array} { l } 2 x _ { 1 } - 4 x _ { 2 } = - 2 \\3 x _ { 1 } + 4 x _ { 2 } = - 23\end{array}


A) (2,5) ( - 2,5 )
B) (5,2) ( 5,2 )
C) (2,5) ( 2,5 )
D) (5,2) ( - 5 , - 2 )

Correct Answer:

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