The inequality is .
Apply multiplication property of inequality: Multiply each side by 2.
\ (Cancel common terms)
(Multiply:
)
Check:
\To check, substitute three different values for y into the original inequality: , a number less than
, and greater than
.
Let three values are .
If then
(This is true)
If then
(This is true)
If then
(This is false).
The inequality solution set is .