\"\"\"\"

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The inequality is \"\"

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\"\"                 (Add: \"\")\"\"

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Apply subtraction property of inequality: Subtract 20 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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Graph the solution set on a number line

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\"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 10and greater than or equal to 10

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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 is \"\".