Решите уравнение: x / 0,6 − x / 0,8 = 0,4 / 0,02

  1. 24/5
  2. 48/5
  3. 24
  4. 48

📝 Detailed explanation

Правая часть: 0,4 / 0,02 = 20. Левую часть приведем к общему знаменателю: 5x/3 − 5x/4 = 5x/12. Уравнение: 5x/12 = 20 ⇒ 5x = 240 ⇒ x = 48.
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