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The inequality .
Apply Subtraction property of inequality: Subtract 4 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 0, a number less than 1 in .
(Substitue 0 for x )
(Add: )
The inequality solution is .
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