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Il primo principio di equivalenza

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  • 10x + 6 - 5 - 4x + 3 = 5x + 4 + 2x
    x = 0
  • 2x + 2x - 2 + 3 = x + x + 3 + x
    x = 2
  • 3 + x + x + 2x = 3x - 2 - 1
    x = - 6
  • 14 - 5x + 3x - 4 = 5 - 3x
    x = - 5
  • 6x - 3 + 2x = 4x - 2 + 3x - 1
    x = 0
  • 5x + 4 = 4x + 5
    x = 1
  • 12x + 6 - 11x - 8 = 0
    x = 2
  • 18 - 6x - 12 - 3x - x + 11x = 0
    x = - 6
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