$\"\"$

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
\
\
1
\ \
$\"\"$
\ \
           False
\
\
2
\ \
$\"\"$
\ \
           False
\
\
3
\ \
$\"\"$
\ \
           True
\
\

Since k = 3 makes the equation true, the solution of $\"\"$ is 3. $\"\"$

The solution set is $\"\"$

\ k \	\ $\"\"$ \	\ True or False \
\ 1 \	\ $\"\"$ \	\ False \
\ 2 \	\ $\"\"$ \	\ False \
\ 3 \	\ $\"\"$ \	\ True \