
The inequality is
.
Apply multiplication property of inequality: Multiply each side by 3.
\
(Cancel common terms)
(Multiply:
)
(Multiply each side by negative sign) \ \
(Produfct of two same signs is positive) \ \
Graph the solution set on a number line
Check:
\To check, substitute 27 a number less than 27 in
.

\
(Multiply:
)
(Divide:
)
The inequality solution set is
.