The inequality is .
Apply multiplication property of inequality: Multiply each side by 9.
\ (Cancel common terms)
(Multiply:
)
Apply addition property of inequality: Add y to each side.
\Apply commutative property of addition: .
(Apply Additive inverse property:
)
(Apply Additive identity property:
)
(Add:
)
Apply division property of inequality: 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