$\"\"$

The equation is $\"\"$

Write two cases:

Case-1: $\"\"$ .

$\"\"$

Case-2: $\"\"$

$\"\"$

Solve the equation for Case-1.

$\"\"$

Check:

To check the solution, substitute $\"\"$ in original equation.

$\"\"$

$\"\"$ (The absolute value of 7 is 7)

Compare the values the equation is true. $\"\"$ is a solution. $\"\"$ \

Solve the equation for Case-2.

$\"\"$

Check:

To check the solution, substitute $\"\"$ in original equation.

$\"\"$

$\"\"$ (The absolute value of $\"\"$ is 7)

Compare the values the equation is true. $\"\"$ is a solution. $\"\"$ \

The solution set is $\"\"$