\"\"\"\"

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The inequality is \"\".

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Apply multiplication property of inequality: Multiply each side by 2. \ \

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\"\"

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\"\"

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\"\"                      (Cancel common terms)

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

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\"\"                   (Divide each side by 7)

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\"\"                       (Cancel common terms)

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

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Graph the solution set on a number line 

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\"\"

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Check:

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To check, substitute a number greater than 18 in \"\".

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\"\"

\

 

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

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

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The inequality solution set is \"\".