The inequlaity is .
(Apply commutative property of addition:
)
Apply subtraction property of inequality: Subtract 5 from each side.
\ (Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
(Multiply each side by negative one and flip the symbol)
(Product of two same signs is positive)
Check:
\To substitute a number less than or equal to in
.
(Substitute c =
)
(Product of two same signs is positive)
(Add: 5 + 21 = 26)
The inequality is true
The inequality solution set is .