# Solve the system of given equations using matrices. Use Gaussian elimination with back-substitution or Gauss-Jordan elimination. begin{cases}3a-b-4c=32a-b+2c=-8a+2b-3c=9end{cases}

naivlingr 2021-01-31 Answered
Solve the system of given equations using matrices. Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.
$\left\{\begin{array}{l}3a-b-4c=3\\ 2a-b+2c=-8\\ a+2b-3c=9\end{array}$
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## Expert Answer

stuth1
Answered 2021-02-01 Author has 97 answers
Step 1
We need to convert it into Reduced echelon form :
First write the given equation in the form of augmented matrix:
$\left[\begin{array}{ccccc}3& -1& -4& |& 3\\ 2& -1& 2& |& -8\\ 1& 2& -3& |& 9\end{array}\right]$
Lets
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Jeffrey Jordon
Answered 2022-01-27 Author has 2047 answers

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