Solve Using Cramer's Rule, If Possible $$\left\{ \begin{array} { l } 4 x - 4 y - 4 z = - 20 \\- 8 x + 3 y - 3 z = - 68 \\- 7 x - 7 y - 5 z = - 117\end{array} \right.$$

question 88

Multiple Choice

Solve using Cramer's rule, if possible. If it is not possible, state whether the system is inconsistent or has infinitely many
solutions.
- $$\left\{ \begin{array} { l } 4 x - 4 y - 4 z = - 20 \\- 8 x + 3 y - 3 z = - 68 \\- 7 x - 7 y - 5 z = - 117\end{array} \right.$$

• A) \(( 8,2,8 )\)
• B) \(( 7,4,8 )\)
• C) \(( 7 , - 4 , - 8 )\)
• D) \(( 4,8,4 )\)

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