The inequality is .
Apply distributive property: a(b + c) = ab + ac.
\ Multiply:
)
Apply subtraction property of inequality: Subtract 15 from each side.
\ (Additive inverse property:
)
(Additive identity property:
)
(Subtract:
)
(Divide each side by 5)
(Cancel common terms)
Graph the solution set on a number line
Note: A circle means that this point is not included in the solution set.
The inequality solution set is .