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Twice the difference of a number and 7 is at least -21

Use the variable c for the unknown number.
Translate the sentence into an inequality

User Liane
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1 Answer

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Answer:

Explanation:

Difference of a number and 7 = c - 7

Twice the difference = 2*(c - 7) = 2*c - 7*2 = 2c - 14

2c - 14 ≥ -21

User Randytan
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