$\"\"$

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

Cramer $\"\"$ s rule : Solutions of the system of equations $\"\"$ and $\"\"$ for $\"\"$ .

Co-efficient matrix $\"\"$ .

Caluculate the determinant of matrix $\"\"$ .

$\"\"$

Find $\"\"$ .

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$\"\"$ .

$\"\"$

$\"\"$ .

The solution of the system of equations are $\"\"$ and $\"\"$ .

$\"\"$

$\"\"$ .