$\"\"$

The replacement set is $\"\"$

Replace z in $\"\"$ with each value in the replacement set

and check whether the equation is true. \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\
z
\ \
       $\"\"$
\ \
       True or False
\
\
15
\ \
$\"\"$
\ \
           False
\
\
16
\ \
$\"\"$
\ \
           False
\
\
17
\ \
$\"\"$
\ \
          True
\
\

Since z = 17 makes the equation true, the solution of $\"\"$ is 17. $\"\"$

The solution set is $\"\"$

\ z \	\ $\"\"$ \	\ True or False \
\ 15 \	\ $\"\"$ \	\ False \
\ 16 \	\ $\"\"$ \	\ False \
\ 17 \	\ $\"\"$ \	\ True \