Решить уравнение : 20x+30*(x+5/12)=75 - Znanija.Site

Решить уравнение :
20x+30*(x+5/12)=75
- Предмет:
  Алгебра
- Автор:
  saulw4qk
- 5 лет назад

Ответы 2

спасибо
- Автор:
  charlotte
- 5 лет назад
- 0
20х + 30 * (х+5/12)= 75; 20х + 30х + 30*5/12 = 75; 50х + 12.5 = 75; 50х = 75 - 12.5; 50х = 62.5; х = 62.5/50; х = 1.25
- Автор:
  coco36
- 5 лет назад
- 0
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