The inequality is
.
Rewrite the inequality
.
(Add 3 to each side)
(Divide each side by 9)
(multiply each side by negative one and flip the symbol).

(Add 3 to each side)
(Divide each side by 9)
(multiply each side by negative one and flip the symbol) \ \
(Simplify)
The compound inequality solution set is
.
The graph of the solution set on a number line diagram.
\
The inequality solution set is
.