\
To solve an absolute value equation, first write two equations.
\Equation 1:
Equation 2:
\ \
Solve equation 1.
\According to Subtraction property of equality: if , then
(Subtract 4 from each side)
(Subtract:
)
(Multiply each side by 2)
(Cancel common terms)
\ \
(Multiply:
)
Solve equation 2.
\ \ \
(Subtract 4 from each side)
(Subtract:
)
(Multiply each side by 2)
(Cancel common terms)
\\ \
\ (Multiply:
)
The solution set is
\
\
\