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A clerk rewrites 56 minus 73 as 56 plus the additive inverse of 73. He gets:

A-17
B-27
C-13
D-19
Answer & Solution
Correct answer: A. -17
1. Subtracting a number is adding its additive inverse. 2. So 56 plus negative 73 is needed. 3. The answer is -17. _Source: syllabus Mathematics Class VII, Chapter 1, Integers._
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