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

Main Screen:

1. In Task Box, select
   Solve a Systems of Linear Equations
   
   
2. In Solution Methods box, select only if required
   
   
3. Click on the
   Get Equation button
   

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
   

Equations input screen: Solution shown.

1. Shows solution
   
   
2. Click on the
   Show Output button
   

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