\"\"

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\"\"\"\"

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The inequality is \"\".

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Apply addition property of inequality: Add 21 to each side.

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\"\"

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

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

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

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Apply division property of inequality: Divide each side by 7.

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\"\"

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\"\"                             (Cancel common terms)

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

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The solution set is \"\".

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Graph the solution set on a number line.\"number

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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 \"\".

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The graph is \"number

\