
The inequality is
.
(Product of two same signs is positive)
Apply subtraction property of inequality: Subtract 2.5 from each side.
\
(Additive inverse property:
)
(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 5.6, a number greater than 5.6 in
.
(Substitute y = 6)
(Add:
)
The inequality solution set is
.