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$\"\"$

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The inequality is $\"\"$ .

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$\"\"$ (Substitute x = 3)

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

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

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This is true, So x = 3 is a solution of the inequality. $\"\"$

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The value of x = 3 is a solution of the inequality.

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$\"\"$

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The inequality is $\"\"$ .

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

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

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

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This is not true, so $\"\"$ is not a solution of the inequality. $\"\"$

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No, the value of $\"\"$ is not a solution of the inequality.

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$\"\"$

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The inequality is $\"\"$ .

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

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Apply multiplication property of inequality: Multiply each side by 2.

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$\"\"$

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$\"\"$ (Simplify)

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

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This is true, so $\"\"$ is a solution of the inequality. $\"\"$

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Yes.