Solve the System Using Gaussian Elimination or Gauss-Jordan Elimination $\begin{array} { l } - 3 x - 3 y - 3 z = 30 \\- 9 x - 9 y - 9 z = 90 \\- 1.5 x - 1.5 y - 1.5 z = 15\end{array}$

Multiple Choice

Solve the system using Gaussian elimination or Gauss-Jordan elimination.
- $\begin{array} { l } - 3 x - 3 y - 3 z = 30 \\- 9 x - 9 y - 9 z = 90 \\- 1.5 x - 1.5 y - 1.5 z = 15\end{array}$

A) { }
B) $\{ ( 2,2,6 ) \}$
C) $\{ ( -2,-2,-6 ) \}$
D) { ( x , y , z ) | - 3 x - 3 y - 3 z = 30 }