The replacement set is 
Replace x in
with each value in the replacement set
and check whether the equation is true or not. \
| \
x \ | \
\
| \
\
True or false \ | \
| \
2.2 \ | \
\
| \
\
False \ | \
| \
2.4 \ | \
\
| \
\
True \ | \
| \
2.6 \ | \
\
| \
\
False \ | \
| \
2.8 \ | \
\
| \
\
False \ | \
Since x = 2.4 makes the equation true, the solution of
is 2.4
The solution set is
.