Final answer:
The result of the mathematical operation '7 - 0' equals 7. Therefore, the correct answer is option A.
Step-by-step explanation:
The question deals with basic arithmetic, more specifically with subtraction within the number system. The question is asking you to find the result of the mathematical operation '7 - 0'. This operation means you are subtracting zero from seven.
One of the basic rules in mathematics is that when you subtract zero from any number, your result is the number itself. Therefore, the result of 7 - 0 equals 7. As such, the correct answer, among the provided choices, is option A.
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