$\"\"$

\

System of equations are

\

$\"\"$

\

Write the equations into matrix form $\"\"$ .

\

$\"\"$ is Coefficient matrix, $\"\"$ is Variable matrix and $\"\"$ is constant matrix.

\

Solve the equations in Gauss-Jordan method.

\

$\"\"$

\

The augmented matrix is $\"\"$

\

$\"\"$

\

$\"\"$

\

Apply elementary row operations to obtain a reduce the row-echelon form.

\

Here $\"\"$ are represents first row, second row and third row.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ , $\"\"$ and $\"\"$ .

\

$\"\"$

\

$\"\"$ .

\