In Exercises 8996, use matrices to solve the system of equations, if possible. Use
Chapter 8, Problem 89(choose chapter or problem)
Gauss-Jordan Elimination In Exercises 89-96, use matrices to solve the system of equations, if possible. Use Gauss-Jordan elimination.
\(\left\{\begin{aligned} x+y+z &=-3 \\ 4 x+y-2 z &=-12 \end{aligned}\right.\)
Text Transcription:
{_4x + y - 2z = -12 ^x + y + z = -3
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