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

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The sentence is, the difference of one half of a number and 7 is greater than or equal to 5.

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Let n be the number.

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The word “difference” indicates subtraction and the symbol is $\"\"$

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The word “greater than or equal to” can be represented as $\"\"$ symbol.

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Rewrite the sentence into expression as,

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$\"\"$

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

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Apply addition property of inequality: Add 7 to each side.

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$\"\"$

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

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

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$\"\"$ (Add: $\"\"$ ) $\"\"$

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

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$\"\"$

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

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$\"\"$ (Cancel common terms) $\"\"$

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The inequality is $\"\"$ .