Use Cramer's Rule to Solve (If Possible) the System of Equations

question 18

Multiple Choice

Use Cramer's Rule to solve (if possible) the system of equations. $$\left\{ \begin{array} { r } 4 x - y + z = - 20 \\2 x + 2 y + 3 z = 10 \\5 x - 2 y + 6 z = 2\end{array} \right.$$

• A)(6, 2, 6)
• B)(6, -2, 6)
• C)(-6, 2, 6)
• D)(7, -2, 6)
• E)(-6, -2, 6)

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