Equacions

Troba el valor de "X"

Exercici 1

  1. \(8x - 5x = x + 8\)
  2. \(5x - 7 = 2 - 4x\)
  3. \(4x + 7 - x = 5 + 2x\)
  4. \(3x + 6 = 2x + 13\)
  5. \(3x + x + 4 = 2x + 10\)
  6. \(8 - x = 3x + 2x + 5\)
  7. \(6x - 9 + 3x - 2 - 5x = x - 6 - 3x + 1\)
  8. \(12x - 7 + x - 5 = 11x - 10 + x\)
  9. \(18x + 15 + 5x - 9 - 7x = 9x - 8\)
  10. \(7x - 3 + 5x - 4 = 8x - 5 - x\)
  11. \(10x + 1 - 7x = 5x - 5 + 4x\)
  12. \(2x - 5 - 7x + 1 = 4x - 6x + 11\)
  13. \(2 - 13x = 6x + 1 + x - 9\)
  14. \(2x + 5 - 3x = x + 19\)
  15. \(7x - 2x = 2x + 1 + 3x\)
  16. \(11 + 2x = 6x - 3 + 3x\)
  17. \(7 + 5x - 2 = x - 3 + 2x\)
  18. \(x - 1 - 4x = 5 - 3x - 6\)
  19. \(3x - x + 7x + 12 = 3x + 9\)
  20. \(5x - 7 + 2x = 3x - 3 + 4x - 5\)
Solucions
  1. \(x = 4\)
  2. \(x = 1\)
  3. \(x = -2\)
  4. \(x = 7\)
  5. \(x = 3\)
  6. \(x = \tfrac12\)
  7. \(x = 1\)
  8. \(x = 2\)
  9. \(x = -2\)
  10. \(x = \tfrac{2}{5}\)
  11. \(x = 1\)
  12. \(x = -5\)
  13. \(x = \tfrac12\)
  14. \(x = -7\)
  15. No solució
  16. \(x = 2\)
  17. \(x = -4\)
  18. Identidad
  19. \(x = -\tfrac12\)
  20. No solució