The inequality is
.
The absolute value inequality
is equivalent to
or
.
Solve the inequality 1:
.
Add n to each side.
\

Divide each side by 2.
\
.
Solve the inequality 2:
.
Subtract n from each side.
\
.
The statement
has no variable.
The solution set is
and its graph is
Observe the graph, the closed circle means that 0 is a solution of the inequality.
The solution set is
and its graph is