The inequality is
Apply subtraction property of inequality: Subtract 16 from each side .
\
(Commutative property of addition:
)
(Additive inverse property:
)
(Subtract:
)
(Divide each side by 4)
(Cancel common terms)
Graph the solution set on a number line
Note: A dot means that this point is not included in the solution set.
Check:
\To check, substitute less than -1 in
(Substitute
)
(Multiply:
)
The inequality is true.
The inequality solution is .