
The equation is
.
Apply subtraction property of equality: Subtract 3w from each side.
\
Apply commutative property of addition:
.

(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
Apply subtraction property of equality: Subtract 2 from each side.
\
(Apply Additive inverse property:
)
(Subtract:
)
Apply division property of equality: Divide each side by 4.
\
(Cancel common terms)
(Divide:
)
The value of
.