The replacement set is .
Replace k in with each value in the replacement set
and check whether the equation is true. \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\
k \ | \
| \
True or False \ |
\
8 \ | \
| \
False \ |
\
10 \ | \
| \
False \ |
\
12 \ | \
| \
True \ |
Since k = 12 makes the equation true, the solution of is 12.
The solution set is .