The inequality .
(Product of two same signs is positive)
Apply subtraction property of inequality: Subtract 2.5 from each side.
\ (Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
Graph the solution set on a number line.
Note: A circle means that this point is not included in the solution set.
Check:
\To check, substitute a number greater than 5.6 in .
(Substitute
)
(Product of two same signs is positive)
(Add:
)
The inequality is true.
The inequality solution is .