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Adding the same number c to both sides of a = b leads to which result?

Aa + c = b + c
Ba + c = b
Ca - c = b + c
Da = b + c
Answer & Solution
Correct answer: A. a + c = b + c
1. Adding the same number to equal quantities keeps them equal. 2. So a + c = b + c. 3. The other choices change only one side or use opposite signs. _Source: Wikipedia, Elementary algebra, Properties of equality_
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