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Use Cramer's Rule, If Possible, to Solve the System of Linear

Question 7

Multiple Choice

Use Cramer's Rule, if possible, to solve the system of linear equations.
- {−2x+2y=164x+4y=40\left\{ \begin{array} { r } - 2 x + 2 y = 16 \\4 x + 4 y = 40\end{array} \right.


A) (9,1) ( 9,1 )
B) (1,9) ( 1,9 )
C) (−9,1) ( - 9,1 )
D) (−1,−9) ( - 1 , - 9 )

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