The inequality is
Apply multiplication property of inequality: .
(Multiply each side by 2)
(Cancel common terms)
(Multiply:
)
Multiply each side by negative one and flip the symbol
\ (Product of two same signs is positive)
The solution set is .
Graph the solution set on a number line.
Note: The point indicated with open circle is not included in the solution set.
Check:
\To check, substitute a number greater than 16 in the inequality .
(Substitute
)
(Divide:
)
The inequality is true.
The graph of is
The inequality solution set is .