$\"\"$

The equation is $\"\"$ .

$\"\"$ write $\"\"$

Apply multiplication property of equality: If a = b then $\"\"$ .

$\"\"$ (Multiply each side by x)

$\"\"$ (Cancel common terms) $\"\"$

Apply division property of equality: If a = b then $\"\"$ .

$\"\"$ (Divide each side by negative 15)

$\"\"$ (Cancel common terms)

$\"\"$ (The quotient of two same signs is positive)

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

Check:

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

$\"\"$

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

The value of $\"\"$ .