Use Gaussian elimination to solve the system of equations.
$$\begin{aligned}
- 6 x - 7 y - 9 z & = 10 \
- 7 y - 2 z & = - 6 \
- 7 z & = 28
\end{aligned}$$
A) $\{ ( 2,2 , - 4 ) \}$
B) No solution
C) Infinitely many solutions
D) $\{ ( 0,0,0 ) \}$

Question

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The Answer of Use Gaussian elimination to solve the system of equations.
$$\begin{aligned}
- 6 x - 7 y - 9 z & = 10 \
- 7 y - 2 z & = - 6 \
- 7 z & = 28
\end{aligned}$$
A) $\{ ( 2,2 , - 4 ) \}$
B) No solution
C) Infinitely many solutions
D) $\{ ( 0,0,0 ) \}$

Use Gaussian Elimination to Solve the System of Equations −6x−7y−9z=10−7y−2z=−6−7z=28\begin{aligned}- 6 x - 7 y - 9 z & = 10 \\- 7 y - 2 z & = - 6 \\- 7 z & = 28\end{aligned}−6x−7y−9z−7y−2z−7z​=10=−6=28​

Use Gaussian Elimination to Solve the System of Equations $\begin{aligned}- 6 x - 7 y - 9 z & = 10 \\- 7 y - 2 z & = - 6 \\- 7 z & = 28\end{aligned}$