The inequality is .
Apply distributive property:
(Multiply:
)
Apply addition property of inequality: Add 12 to each side.
\ (Additive inverse property:
)
(Additive identity property:
)
(Add:
)
(Subtract 3y from each side)
(Comutative property:
)
(Additive inverse property:
)
(Additive identity property:
)
(Subtract:
)
\ \
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 .