$\"\"$ $\"\"$

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The inequality is $\"\"$ .

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Apply Subtract property of inequality: subtract 6 from each side.

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$\"\"$

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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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$\"\"$ (multiplyy each side by 5)

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$\"\"$ (cancel commen terms)

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$\"\"$ (multiply: $\"\"$ )

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$\"\"$

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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 grater than 15 , in $\"\"$ .

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$\"\"$

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$\"\"$ (divide: $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ )

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$\"\"$

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The inequality solution set is $\"\"$ .