The equation is
.
The above equation in the form
where
and it is equivalent to the statement
.
Rewrite the equation
as two equations
. Then solve each equation separately.
Solve the equation 1:
.
Subtract 8 from each side.
\

.
Solve the equation 2:
.
Subtract 8 from each side.
\

.
The solutions of the equation are
.