The inequality is .
Apply subtraction property of inequality: Subtract 9 from each side.
\ (Subtract:
)
(Additive inverse property:
)
(Additive identity property:
)
Apply multiplication property of inequality: Multiply each side by 3.
\ \ \
(Multiply:
)
(Cancel common terms)
(Divide each side by 2)
(Divide:
)
(Cancel common terms) \ \
Graph the Solution set on a number line
Note: A dot means that this point is included in the solution set
The solution set is .