Simplify; 3x - (p - x) - (r - p)

  • A 2x - r
  • B 2x + r
  • C 4x - r
  • D 2x - 2p - r
waec 2017mathematics

The correct answer is C. 4x - r

3x - (p - x) - ( r - p)

= 3x - p + x - r + p

= 4x - r

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