$\"\"$

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The inequality is $\"\"$ .

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Case 1: If a < b Then

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$\"\"$

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Case 2: If a > $\"\"$ b Then

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$\"\"$

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$\"\"$

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Solve inequality for case 1.

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$\"\"$

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Add 6 to each side.

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$\"\"$

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$\"\"$

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$\"\"$

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Solve inequality for case 2.

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$\"\"$

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Add 6 to each side.

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$\"\"$

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$\"\"$

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$\"\"$

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The solution set is $\"\"$ .