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
.