Solve the System, If Possible $\left\{ \begin{array} { l } 8 x + 5 y + 6 z = 22 \\4 x - 9 y + 2 z = 78 \\7 x - 7 y - 10 z = 57\end{array} \right.$

question 93

Multiple Choice

Solve the system, if possible. $\left\{ \begin{array} { l } 8 x + 5 y + 6 z = 22 \\4 x - 9 y + 2 z = 78 \\7 x - 7 y - 10 z = 57\end{array} \right.$

• A)x = -1, y = 12, z = -2
• B)x = 5, y = -6, z = 2
• C)x = -5, y = 6, z = -2
• D)x = -5, y = 5, z = -2
• E)no solution; inconsistent system

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