\"\"\"\"

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The equation is \"\".

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Apply subtraction property of inequality: subtract 20 from eachside.

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\"\"

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\"\"

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\"\"   (Subtact: \"\")

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\"\"   (Comutative property: \"\")

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

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

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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 inequality solution set is \"\".