The equation is
.
Apply distributive property:
.
(Multiply:
)
(Multiply:
)
Apply distributive property:
.
(Multiply:
)
(Multiply:
)
(Each side cancel common terms)

(Add:
)
(Subtract 14w from each side)
\
(Apply commutative property:
)
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
(Divide each side by negative 6)
(Cancel common terms)
Check:
\To check, substitute
in equation
.
(Substitute
)
Apply multiplicative identity property:
.

(Subtract:
)
(Add:
)
(Evaluate powers:
)
Apply multiplicative identity property:
.
(Add:
)
(Add:
)
(Multiply:
)
The equation is true.
The value of
.