The inequality is 
Solve both parts at the same time by adding 1 to each part
\
(Add:
)
(Apply Additive inverse property:
)
(Apply Additive identity property:
)
(Divide each side by 3)
(Cancel common terms)
(Divide:
)
The solution set is 
Graph the solution set for each inequality and find their intersection.
The solution set is 
The graph is