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

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The inequality is $\"\"$ .

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According to subtraction property of inequality: Subtract $\"\"$ from each side.

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$\"\"$

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

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$\"\"$ (Apply commutative property of addition: $\"\"$ )

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$\"\"$ (Apply additive inverse property: $\"\"$ )

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$\"\"$ (Apply additive identity property: $\"\"$ )

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$\"\"$

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Graph the solution set on a number line. $\"\"$

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Note: A circle means that this point is not included in the solution set. $\"\"$

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Check:

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To check, substitute a number $\"\"$ or less than or equal to $\"\"$ , in $\"\"$ .

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Multiply: $\"\"$ )

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

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The inequality is true. \ \ $\"\"$

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