\"\"\"\"

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The inequality is \"\".

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Apply addition property of inequality: Add 9 to each side.

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\"\"

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\"\"

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\"\"                        (Additive inverse property: \"\")

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\"\"                            (Add:\"\")

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\"\"                                  (Additive identity property: \"\")

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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.\"\"

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The solution set is \"\".