$\"\"$

The equation is $\"\"$ .

Apply subtraction Property of equality: Subtract w from each side.

$\"\"$

$\"\"$ (Apply additive inverse property: $\"\"$ ) $\"\"$

Apply multiplication Property of equality: Multiply each side by 9.

$\"\"$

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

Apply division Property of equality: Divide each side by 5.

$\"\"$

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

The value of $\"\"$ .