Let n is an unknown number.
\The word
eight times a number n minus twenty - seven
represents
.
The word
is no more than
represents
.
The word
the negative of that number n plus eighteen
represents
.
The word
Eight times a number n minus twenty - seven is no more than the negative of that number n plus eighteen
represents
.
The inequality is
.
Apply addition property of inequality: If
.
Add n to each side.
\


Add 27 to each side.
\


Apply division property of inequality: If
.
Divide each side by 9.
\
Cancel common terms.
\
The solution set is
.
Check:
\To check, substitute three different values for n into the original inequality: 5, a number less than 5, and greater than 5.
\Let three values are
.
If
then
(This is true)
If
then
(This is true)
If
then
(This is false).
The inequality is
and the solution set is
.