The original function is
Write as
or
First solve the case .
(Subtract 2 form each side)
(Additive inerse property:
)
\
(Additive identity property:
)
(Subtract:
)
Next solve the case .
(Subtract 2 form each side)
(Additive inerse property:
)
(Additive identity property:
)
(Subtract:
)
First, draw a number line.
\To graph the solutions set, mark the numbers 0 and -4 on number line.
\The solution set is .