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Solve the System of Linear Equations {2x+3y=154x3y=10\left\{ \begin{array} { l } 2 x + 3 y = - 15 \\4 x - 3 y = 10\end{array} \right.

Question 5

Multiple Choice

Solve the system of linear equations {2x+3y=154x3y=10\left\{ \begin{array} { l } 2 x + 3 y = - 15 \\4 x - 3 y = 10\end{array} \right. using the inverse matrix [16162919]\left[ \begin{array} { c c } \frac { 1 } { 6 } & \frac { 1 } { 6 } \\\frac { 2 } { 9 } & - \frac { 1 } { 9 }\end{array} \right]


A) [xy]=[5652]\left[ \begin{array} { l } x \\y\end{array} \right] = \left[ \begin{array} { l } \frac { 5 } { 6 } \\\frac { 5 } { 2 }\end{array} \right]
B) [xy]=[56409]\left[ \begin{array} { l } x \\y\end{array} \right] = \left[ \begin{array} { c } - \frac { 5 } { 6 } \\- \frac { 40 } { 9 }\end{array} \right]
C) [xy]=[251852]\left[ \begin{array} { l } x \\y\end{array} \right] = \left[ \begin{array} { c } \frac { 25 } { 18 } \\\frac { 5 } { 2 }\end{array} \right]
D) [xy]=[520]\left[ \begin{array} { l } x \\y\end{array} \right] = \left[ \begin{array} { l } \frac { 5 } { 2 } \\0\end{array} \right]
E) [xy]=[5356]\left[ \begin{array} { l } x \\y\end{array} \right] = \left[ \begin{array} { c } - \frac { 5 } { 3 } \\\frac { 5 } { 6 }\end{array} \right]

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