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. \(\displaystyle\frac{3}{2-\frac{3}{2-x}}=\frac{21}{8}\)