The inequality is
(Multiply each side by 9)
(Cancel common terms)
(Multiply:
)
(Add y to each side)
(Apply Commutative property:
)
(Apply Additive inverse property:
)
(Apply Additive identity property:
)
(Add:
)
(Divide each side by 10)
(Cancel common terms)
(Divide:
)
The solution set is
Graph the solution set on a number line.
Note: A circle means that this point is not included in the solution set.
The solution set is .
The graph is