Solve Systems of 3 Linear Equations by Matrices using the Personal Algebra Tutor ®

- Using Gauss Elimination with Back Substitution.
- Use Elementary Row Operations
- Find Coefficient Matrix,
- Find Augmented Matrix
- Find Row-Echelon form

Main Screen:

  1. In Task Box, select
    Solve a System of Linear Equations
  2. In Solution Methods box, select only if required
  3. Click on the
    Get Equation button
Takes you to Input screen.
Systems of Linear Equations setup screen

Equations input screen

  1. Select number of equations
  2. Select desired
    Solution Method.
  3. Click in
    Equation 1, 2, 3 text boxes.
    Enter equations
  4. Click on the
    Solve button
Select Solution Methods including Determinants, Gauss-Jordan Elimination, Gauss Elimination with Back Substitution

Solution: Systems of
3 Linear Equations
Gauss Elimination and Back Substitution

- Show Elementary Row Operations
- Show Coefficient Matrix,
- Show Augmented Matrix
- Show Row-Echelon form
Systems of 3 Linear Equations Solution using Gauss Elimination and Back Substitution
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