$\"\"$

The system of equations are $\"\"$

Cramer $\"\"$ s Rule for two equations containing two variables :

Consider a system of linear equations as $\"\"$

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

The solutions of the system are $\"\"$ , $\"\"$ .

Find the determinant $\"\"$ .

$\"\"$

$\"\"$ .

Cramer $\"\"$ s rule is not applicable when the determinant is zero.