Solve the System of Equations by Using an Inverse Matrix $$\begin{aligned}9 x - y + 9 z & = 92 \\- 7 x + 3 z & = - 27 \\7 y + z & = 54\end{aligned}$$

question 334

Multiple Choice

Solve the system of equations by using an inverse matrix.
- $$\begin{aligned}9 x - y + 9 z & = 92 \\- 7 x + 3 z & = - 27 \\7 y + z & = 54\end{aligned}$$

• A) \(\varnothing\)
• B) \(( 6,5,7 )\)
• C) \(( - 6,7,12 )\)
• D) \(( 6,7,5 )\)

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