$\"\"$

The equation is $\"\"$ .

According to division property of equality:

For any number a, b and c, If a = b then $\"\"$

$\"\"$ (Divide each side by 13)

$\"\"$ (Cancel common terms)

$\"\"$ (Divide: $\"\"$ ) $\"\"$

Verify:

To check the solution, substitute $\"\"$ in original equation.

$\"\"$

$\"\"$ (Multiply: $\"\"$ )

Compare the values, the equation is true. The solution is $\"\"$ . $\"\"$

The value of $\"\"$ .