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A student writes 7 plus negative 5, then negative 5 plus 7. The two sums are:

AOpposite
BUndefined
CThe same
DDifferent
Answer & Solution
Correct answer: C. The same
1. Addition is commutative for integers. 2. Swapping the order does not change the sum. 3. So the two sums are the same. _Source: syllabus Mathematics Class VII, Chapter 1, Integers._
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