$\"\"$

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The inequality is $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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

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Add 3a to each side.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Divide each side by 7.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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The solution set is $\"\"$ .

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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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The solution set is $\"\"$ .

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The graph is

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$\"number$