

The equation is
.
To solve an absolute value equation is
,where c > o.
First it can write two equations.
\Equation 1: 

Equation 2: 

Solve equation 1 is
.
Apply Subtraction property of equality: Subtract 4 from each side.
\
(Subtract:
)
Apply multiplication property of equality: Multiply each side by 2.
\
(Cancel common terms)
(Multiply:
)
Solve equation 2 is
.
(Subtract 4 from each side)
(Subtract:
)
(Multiply each side by 2)
(Cancel common terms)
(Multiply:
)
The solution set is
.