3x/(3-x) + 9/(x-3) = x Помогите решить уравнение - №25389179

3x/(3-x) + 9/(x-3) = x Помогите решить уравнение
- Предмет:
  Алгебра
- Автор:
  bizzy
- 5 лет назад

Ответы 1

$\frac{3x}{3-x}+ \frac{9}{x-3}= \frac{3x}{-(x-3)} + \frac{9}{x-3}=- \frac{3x}{x-3}+ \frac{9}{x-3}= \frac{-3x+9}{x-3} = \frac{-3(x-3)}{x-3}= \\ =-3$
- Автор:
  anikahida
- 5 лет назад
- 0
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