\"\"

\

\

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

\
\

3

\ 		\

\"\"

\ 		\

False

\
\

4

\ 		\

\"\"

\ 		\

True

\
\

5

\ 		\

\"\"

\ 		\

False

\
\

6

\ 		\

\"\"

\ 		\

False

\
\

7

\ 		\

\"\"

\ 		\

False

\
\

 Since x =4 makes the equation true, the solution of  \"\" is 4.\"\"

\

The solution set is \"\".