The inequality is
Apply division property of inequality:Divide each side by 8.9.
\
(Cancel common terms)
(Divide :
)
(Multiply each side by negative one and flip the symbol)
(Product of two same signs is positive)
Graph the solution set on a number line.
Note: A dot means that this point is included in the solution set.
Check:
\To check, substitute a number less than or equal to in
.
(Substitute
)
(Multiply:
)
The inequality is true.
The inequality solution is .