The inequality is .
Apply commutative property of addition:
(Add:
)
Apply addition property of inequality: .
(Add 13 to each side)
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Add:
)
The solution set is .
Graph the solution set on a number line.
\Note: The point indicated with the open circle is not included in the solution set.
The graph of is
The inequality solution set is .