The inequality is
.
Apply addition property of inequality: If
then
.
Add 5 to each side.
\
.
Apply division property of inequality: If
then
.
Divide each side by 3.
\
Cancel common terms.
\
.
The solution of inequality is
and its graph is
Note: A dot means that this point is included in the solution set.
The solution of inequality is
and its graph is