The expression is
(Distributive property: a(b + c) = ab + ac)
(Multiply:
)
According to subtraction property of equality: if , then
.
(Subtract 24 from each side)
(Additive inverse property:
)
(Additive identity property:
)
(Subtract:
)
\
According to division property of equality: if , then
.
(Divide each side by 6)
(Cancel common terms)
(Divide:
)
Check:
\To check the solution, substitute in original equation.
(Subtract:
)
(Multiply:
)
The value of the expression is .