The replacement set is 
Replace m in
with each value in the replacement set
and check whether the equation is true. \
| \
m \ | \
\
| \
\
True or False \ | \
| \
7 \ | \
![]() | \
\
False \ | \
| \
8 \ | \
![]() | \
\
False \ | \
| \
9 \ | \
![]() | \
\
True \ \ \ | \
Since m = 9 makes the equation true, the solution of
is 9.
The solution set is
. \ \