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Select the correct answer.
The product of two numbers is 21. If the first number is -3, which equation represents this situation and what is the second number?
OA The equation that represents this situation is x-3=21. The second number is 24.
OB. The equation that represents this situation is 3x = 21. The second number is 7.
OC. The equation that represents this situation is -3x = 21. The second number is -7.
OD. The equation that represents this situation is -3 + x = 21. The second number is 18.
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