Use Cramer's Rule to Solve the Linear System $$\left\{ \begin{array} { l } 9 x - 2 y - z = 64 \\x - 3 y - 3 z = - 27 \\- 6 x + y + z = - 42\end{array} \right.$$

question 46

Multiple Choice

Use Cramer's rule to solve the linear system.
- $$\left\{ \begin{array} { l } 9 x - 2 y - z = 64 \\x - 3 y - 3 z = - 27 \\- 6 x + y + z = - 42\end{array} \right.$$

• A) x = 10, y = 3, z = 7
• B) x = 9, y = -5, z = -7
• C) x = 5, y = 7, z = 5
• D) x = 9, y = 5, z = 7

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