Solve the System $$\begin{aligned}- 6 x - 3 y + 7 z & = - 7 \\- x + 2 y - 7 z & = - 10 \\- 3 x + 2 y - 8 z & = - 16\end{aligned}$$

question 67

Multiple Choice

Solve the system. If a system has one unique solution, write the solution set. Otherwise, determine the number of solutions to the system, and determine whether the system is inconsistent, or the equations are dependent.
- $$\begin{aligned}- 6 x - 3 y + 7 z & = - 7 \\- x + 2 y - 7 z & = - 10 \\- 3 x + 2 y - 8 z & = - 16\end{aligned}$$

• A) \(\{ ( 9,3,8 ) \}\)
• B) \(\{ ( 2 , - 4 , - 1 ) \}\)
• C) \(\{ ( 2,3,2 ) \}\)
• D) \(\{ ( 2,10,4 ) \}\)

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