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Use an Inverse Matrix to Solve (If Possible)the System of Linear

Question 47

Multiple Choice

Use an inverse matrix to solve (if possible) the system of linear equations.​ {0.2x0.6y=14.4x+1.4y=20.8\left\{ \begin{array} { l } 0.2 x - 0.6 y = 14.4 \\- x + 1.4 y = - 20.8\end{array} \right.


A) (-24,-31)
B) (-23,-32)
C) (-22,-32)
D) (-24,-32)
E) (-23,-30)

Correct Answer:

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