The inequality is
.
Add 4 to each side.
\

Divide each side by
.


The solution set is
.
Check:
\To check, substitute three different values for y into the original inequality: negative 11, a number less than negative 11, and greater than negative 11.
\Let three values
are substitute in the original inequality,
.
If
then
(This is false)
If
then
(This is false)
If
then
(This is true)
The solution set is
.