
The inequality is
Apply subtraction property of inequality: Subtract 20 from each side.
\
(Additive inverse property:
)
(Subtract:
)
Graph the solution set on a number line
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Note: A circle means that this point is not included in the solution set.
Check:
\To check, substitute a number greater than -33 in
.

(Sustract:
)
The inequality solution is
.