\"\"\"\"

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The inequality is \"\".

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\"\"       (Distributive property: \"\")

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\"\"                (Multiply: \"\")

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\"\"                (Commutative property: \"\")

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\"\"                       (Subtract: \"\")

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Apply subtraction property of inequality: Subtract 2 from each side.

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\"\"\"\"

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

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

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\"\"                             (Subtract: \"\")

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\"\"                        (Divide each side by 2)

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\"\"                             (Cancel common terms)

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\"\"                                  (Divide: \"\" )

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\"\"                     (Multiply each side by negative one and flip the symbol)

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\"\"                                 (Product of two same signs is positive)

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Graph the solution set on a number line\"number

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Note: A dot means that this point is included in the solution set.\"\"

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Check:

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To check, substitute a number \"\"9

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or  greater than or equal to \"\"9, in \"\".

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\"\" (Substitute a = \"\"9)

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\"\"          (Multiply: \"\")

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\"\"          (Product of two same signs is positive)

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\"\"                (Add: \"\")

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\"\"                     (Multiply: \"\")

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

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The inequality is true.\"\"

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The inequality solution set is \"\".