The equation is
.
Divide each side by 2.
\

Write two cases:
\Case-1: 

Case-2: 

Solve the equation for Case-1.
\
Subtract 6 from each side.
\


Check:
\To check the solution, substitute
in original equation.


The absolute value of 5 is 5.
\
Compare the values the equation is true.
is a solution.
Solve the equation for Case-2.
\
Subtract 6 from each side.
\

Check:
\To check the solution, substitute
in original equation.


The absolute value of
5 is 5.

Compare the values the equation is true.
is a solution.
The solution set is {
1,
11}.