[tex]\left[\begin{array}{cccc}-9&1&8&2\\0&-5&9&-7\\-3&-6&4&9\\-3&-8&1&0\end{array}\right|\left\begin{array}{c}-6\\6\\4\\-2\end{array}\right][/tex]
Step-by-step explanation:
Given equations are
-9w +x+8y+2z = -6
-5x+9y-7z=6
-3w -6x +4y+9z = 4
-3w -8x+y = -2
Here the augment matrix for the system
[tex]\left[\begin{array}{cccc}-9&1&8&2\\0&-5&9&-7\\-3&-6&4&9\\-3&-8&1&0\end{array}\right|\left\begin{array}{c}-6\\6\\4\\-2\end{array}\right][/tex]
