Question

please help. Solve using Gauss Jordon method.
X7,y-7z-3|-31
x14,y-7,z3|-32
x-7,y7,z3|-29

Answer 1

This is the matrix?

\[\Large \left[\begin{array}{ccc|c}
7 & -7 & -3 & -31\\
14 & -7 & 3 & -32\\
-7 & 7 & 3 & -29\\
\end{array}\right]\]

Answer 2

yes

Answer 3

how much have you learned about the Gauss Jordon method?