Resuelve la ecuación:

1. x(19x+3) rac{18}{3} = x
2. x^2 - x(11x-21) rac{20}{2} = x(x+2)
3. rac{x}{5} + x(3x-2) rac{5}{2} - x(x-2) = x
4. x(7x+1) rac{12}{3} + x(x+3) - x^2 = x
5. x(13x-5) rac{18}{9} + x(3x+2) = x^2
6. rac{x+2}{2} - rac{2}{3} x(x+1) - rac{2}{3} x + x = 1
7. 3x^2 + rac{3}{4} - 1 = x^2 - 4x rac{2}{20} - x + 5
8. x(11x-4) rac{12}{6} - x^2 + x = x(x+2)
9. x(x+2) rac{9}{27} - 2x(2x-11) = x
10. x^2 - x(2x-1) rac{4}{16} = 0
11. x^2 - x rac{2}{10} - 16x rac{2}{20} + x - 14 = 1
12. x^2 - x(2x-3) rac{6}{9} = x
13. x(4x+7) rac{10}{4} + x(3x+1) - x^2 = x
14. x(11x-13) rac{20}{2} + x(x-1) = x^2 - x
15. x^2 - x rac{2}{4} - 2x rac{4}{20} - 16x - 11x = x
16. x^2 - x(2x-1) rac{3}{18} - x(7x-11) = x
17. x(7x+3) rac{12}{4} + x(3x+2) - x^2 = x
18. x^2 - x(10x-13) rac{18}{3} = x(x-1) + x
19. x^2 - x(x-1) rac{3}{27} - x(17x-20) = x
20. x(15x+17) rac{20}{5} + x(x+1) - x = x^2