
The inequality is
.
Apply multiplication property of inequality: Multiply each side by 2. \ \
\
(Cancel common terms)
(Multiply:
)
(Divide each side by 7)
(Cancel common terms)
(Divide:
)
Graph the solution set on a number line
\Check:
\To check, substitute a number greater than 18 in
.

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