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Q.

Find: 23−(−12)

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a

35

b

36

c

37

d

38

answer is A.

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Detailed Solution

Concept- Find the difference between the positive number and the negative number in this situation. Open the bracket first, then simplify for the outcome value.
Never forget that the indication outside the bracket is the most crucial part whenever we extend or open the brackets. The values inside the bracket do not change if there is a positive sign outside the bracket, but they do change if there is a negative sign outside the bracket. Negative terms become positive, whereas positive terms become negative.
Use the following expression:
Question Image

Question Image

Hence, the correct answer is option 1.

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