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(vi) 3x + 5 + 2x + 6 + X = 4x + 21​

Answer»

Answer:

  • 3X + 5 + 2x + 6 + x = 4x + 21
  • 6x + 11 = 4x + 21
  • 6x - 4x = 21- 11
  • 2x = 10
  • x = 10/2

x = 5

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