Solve the system of linear equations using the elimination method.
-$$\begin{aligned}
- 3 x - y - 6 z = & - 75 \
5 x + 5 y - 5 z = & 35 \
- 9 x - 7 y + z = & - 109
\end{aligned}$$
A)(-6, 9, 12)
B)(6, 9, 8)
C)(12, 9, -6)
D)(6, 8, 9)

Question

Quizplus · Accepted Answer

By using the elimination method, we can solve the system and find that the solution is (6, 9, 8).

Solve the System of Linear Equations Using the Elimination Method −3x−y−6z=−755x+5y−5z=35−9x−7y+z=−109\begin{aligned}- 3 x - y - 6 z = & - 75 \\5 x + 5 y - 5 z = & 35 \\- 9 x - 7 y + z = & - 109\end{aligned}−3x−y−6z=5x+5y−5z=−9x−7y+z=​−7535−109​

Solve the System of Linear Equations Using the Elimination Method $\begin{aligned}- 3 x - y - 6 z = & - 75 \\5 x + 5 y - 5 z = & 35 \\- 9 x - 7 y + z = & - 109\end{aligned}$