

\
The equation is
.
Apply Subtraction property of equality: If a=b then
.
(Subtract 8 from both sides)
(Additive inverse property:
)
(Additive identity property:
)
\
(Subtract:
)
\
\
(Multiply each side by 5)
(Cancel common terms)
(Multiply:
) \ \
Substitute
in the equation
.
\
(Cancel common terms)
(Add:
)
Therefore the option B is correct.
\
Option B is the correct choice.