$\"\"$ $\"\"$ $\"\"$

The equation is $\"\"$ .

Apply subtraction property of equality: Subtract 2 from each side.

$\"\"$

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

$\"\"$ (Subtract: $\"\"$ ) $\"\"$

Apply multiplication property of equality: Multiply each side by w.

$\"\"$

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

Apply division property of equality: Divide each side by 15.

$\"\"$

$\"\"$ (Cancel common terms)

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

The value of $\"\"$ .