The inequality
(Subtract 19 from each side)
( Apply Additive inverse property:
)
(Apply Additive identity property:
)
(Subtract:
)
(Divide each side by 2)
(Cancel common terms)
(Divide:
)
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 .