The replacement set is .
Replace n in with each value in the replacement set and
check whether the equation is true or not.
\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\
n \ | \
| \
True or false \ |
\
62 \ | \
| \
False \ |
\
64 \ | \
| \
False \ |
\
66 \ | \
| \
True \ |
\
68 \ | \
| \
False \ |
\
70 \ | \
| \
False \ |
Since n = 66 makes the equation true, the solution of is 66.
The solution set is .