The inequality is
.


Subtract 5 from each side.
\

Subtract c from each side.
\

Multiply each side by
.


The solution set is
.
Check:
\To check, substitute three different values for c into the original inequality: 2, a number less than 2, and greater than 2.
\Let three values
are substitute in the original inequality,
.
If
then
(This is true)
If
then
(This is false)
If
then
(This is false) .
The solution set is
.