The replacement set is 
Replace n in
with each value in the replacement set
and check whether the equation is true. \
| \
n \ | \
\
| \
\
True or False \ | \
| \
3 \ | \
\
| \
\
False \ | \
| \
4 \ | \
\
| \
\
False \ | \
| \
5 \ | \
\
| \
\
True \ | \
Since n = 5 makes the equation true, the solution of
is 5.
The solution set is
.