

The expression is
.
(Useing distributive property:
)
(Multiply:
)
Apply subtraction property of equality: Subtract 3g from each side.
\
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
Apply division property of equality: Divide each side by negative 8.
\
(Cancel common terms)
(Divide:
)
The value of expression is
.