The system of equations is $\"\"$ .

Definition of augment matrix :

If $\"\"$ are the system of equations then the augmented matrix is $\"\"$ .

Augment matrix of the system of equations is $\"\"$ .

Apply $\"\"$ .

$\"\"$

Apply $\"\"$ .

$\"\"$ .

Apply $\"\"$ .

$\"\"$

Apply $\"\"$ .

$\"\"$

Therefore the solution is $\"\"$ .

Unique solutions.

The solutions of system of equations are $\"\"$ .