
The inequality is
.
(Product of two different signs is negative)
Apply addition property of inequality: Add 5 to each side.
\
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Add:
)

Check:
\To check, substitute a number greater than or equal to
in
.
(Substitute d =
)
(Product of two different signs is negative)
(Subtract:
)
The inequality is true.
The inequality solution set is
.