Use Cramer's Rule to Solve the System $$\begin{array} { c } 4 x - 6 y - 3 z = - 53 \\- 5 x + 6 y + 7 z = 69 \\8 x - 8 y + 7 z = - 5\end{array}$$

question 84

Multiple Choice

Use Cramer's rule to solve the system.
- $$\begin{array} { c } 4 x - 6 y - 3 z = - 53 \\- 5 x + 6 y + 7 z = 69 \\8 x - 8 y + 7 z = - 5\end{array}$$

• A) \(\{ ( 4,9,5 ) \}\)
• B) \(\{ ( 9,5,9 ) \}\)
• C) \(\{ ( 4 , - 9 , - 5 ) \}\)
• D) \(\{ ( 5,7,5 ) \}\)

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