### Main Screen:

- In Task Box, select

Solve a System of Linear Equations - In Solution Methods box, select only if required
- Click on the

Get Equation button

- Use Elementary Row Operations

- Find Coefficient Matrix,

- Find Augmented Matrix

- Find Row-Echelon form

- In Task Box, select

Solve a System of Linear Equations - In Solution Methods box, select only if required
- Click on the

Get Equation button

- Select number of equations
- Select desired

Solution Method. - Click in

Equation 1, 2, 3 text boxes.

Enter equations - Click on the

Solve button

- Shows solution
- Click on the

Show Output button

Using Matrices: Gauss Elimination and Back Substitution

3 Linear Equations

Gauss Elimination and Back Substitution

- Show Coefficient Matrix,

- Show Augmented Matrix

- Show Row-Echelon form