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 \ | \
\
1.2 \ | \
\
| \
\
False \ | \
\
1.3 \ | \
\
| \
\
False \ | \
\
1.4 \ | \
\
| \
\
True \ | \
\
1.5 \ | \
\
| \
\
False \ | \
Since x = 1.4 makes the equation true, the solution of is 1.4
The solution set is .