The inequality is .
Solve each parts at the same time by subtract 1 from each side.
\ (Apply Additive inverse property:
)
(Apply Additive identity property:
)
(Subtract:
)
(Subtract:
)
Solve each parts at the same time by Divide each side by 3.
\ (Cancel common terms)
(Divide:
)
The solution set is .
The solution set is .