The original function is
Write as
or
First solve the case .
(Subtract 3 form each side)
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
(Divide each side by 2)
(Cancel common terms)
(Divide:
)
Next solve the case .
(Subtract 3 form each side)
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
(Divide each side by 2)
(Cancel common terms)
(Divide:
)
First, draw a number line.
\To graph the solutions set, mark the numbers and 0.5 on number line.
The solution set is .