Задачи по школьной математике. Линейные уравнения. Часть 2

Линейные уравнения

  1. 2x=4
  2. 3x=-9
  3. -4x=8
  4. 3x=7
  5. 3(x+1)-4(x-2)=9
  6. 4(x-1)+2(3-x)=7x
  7. x+2x+3x=1+2+3
  8. x+2(x+3(x+4))=8
  9. x+3=x+2
  10. 2(x+2)=2(x+3)
  11. 2015+x=x+2015
  12. \displaystyle\frac{x}{2}=\frac{1}{6}
  13. \displaystyle\frac{x+1}{2}=\frac{x-1}{5}
  14.  \displaystyle\frac{x}{3}-\frac{x}{4}=\frac{1}{6}
  15. \displaystyle\frac{2x-3}{15}+\frac{1-x}{9}=\frac{2-x}{6}-1
  16. (x+1)(x+2)=(x-1)(x-100)
  17. 2015(x-1)+x^2=x(2016+x)+2015
  18. 2(x-(x-(x-(x-10))))=3(1-(1-(1-x)))
  19. \displaystyle\frac{50}{x}=\frac{2}{9}
  20. \displaystyle\frac{4}{x-1}=\frac{3}{x+3}
  21. 0,5+2x=1,5+3x
  22. \displaystyle\frac{3}{5}x-\frac{x}{2}=0,2
  23. \displaystyle\frac{17}{5x}=2-\frac{7}{x}
  24. (x+2)^2-5(x-4)=(x-6)(x+6)
  25. \displaystyle\frac{17x+26}{4x+3}-3=0
  26. 6-\displaystyle\frac{x-1}{2}=\frac{3-x}{2}+\frac{x-2}{3}
  27. \displaystyle\frac{2}{3}(x+3)=\frac{6+2x}{3}
  28. 0,2(x-1)+0,5(3x-9)=\displaystyle\frac{x}{3}-2
  29. 3(-0,5+2x^2-(x+2)(2x-4))=-20+5x
  30. \displaystyle\frac{x}{2}+\frac{x}{12}+\frac{x}{42}=-6-\frac{x}{30}-\frac{x}{20}
  31. 7-2(x-3(x-3(x-3)))=2
  32. (x-3)^2-x(x+4)=15-10x
  33. \displaystyle\frac{8}{9}x+\frac{34}{72}-\frac{9}{8}x=0
  34. \displaystyle\frac{4+x}{4x-2}+\frac{3}{4}=0
  35. \displaystyle\frac{5}{x}+\frac{1}{x^2}=0
  36. \displaystyle\frac{3}{2-\frac{3}{2-x}}=\frac{21}{8}