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1. x-[x-{x-x+1}]

  • A. x+1
  • B. x+1
  • C. x+1
  • D. x+1

Answer: Option C

Explanation:

x - [x - {x - (x + 1)}]

= x - [ x - {x - x - 1}]

= x - [x + 1]

= x - x - 1

= - 1.

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