\"\"\"\"

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The inequality is \"\".

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\"\"              (Apply commutative property of addition: \"\")

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\"\"                  (Add: \"\")\"\"

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Apply subtraction property of inequality: Subtract 13 from 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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\"\"                             (Subtract: \"\")

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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 greater than or equal to 1 in inequality \"\".

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\"\"               (Substitute \"\")

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

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The inequality is true. \"\"

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The inequality solution set is \"\".