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The inequality .

Apply addition property of inequality: Add 7 to each side.

(Apply additive inverse property: )

(Apply additive identity property: )

(Add: )

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 a number less than 19 in .

(Substitute )

(Substract: )

The inequality is true.

The inequality solution is .

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