The inequality is .
Apply subtraction property of inequality: Subtract 9 from each side.
\ (Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
Apply multiplication property of inequality: Multiply each side by .
(Cancel common terms)
(Multiply:
)
Graph the solution set on a number line.
Note: A dot means that this point is included in the solution set.
The inequality solution set is .