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Kabir says 'a − (b + c) always equals a − b + c'. Test with a = 10, b = 4, c = 3. What do you find?

Class 7Integer Expressions with BracketsIntegers
  • AHe is right: both give 9
  • BHe is wrong: 3 and 9 are different
  • CHe is wrong: 3 and 17 are different
  • DHe is right: both give 3

Step-by-Step Solution

10 − (4 + 3) = 3, but 10 − 4 + 3 = 9. The correct rule is a − (b + c) = a − b − c.
Answer: B) He is wrong: 3 and 9 are different

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