Предмет: Алгебра, автор: Никки11

пожалуюста помогите.

Приложения:

Ответы

Автор ответа: miron2077
0
2/(х-3)=5/(х+4)
2х+8=5х-15
-3х=-23
х=-23:(-3)
х=7 2/3
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Русский язык, автор: 8dachakuzina8
даю 20 балов!!!!!!!!помогите пожалуйста!!!!!!!очень срочно!!!!!!​
7 лет назад
Предмет: Английский язык, автор: mashagordovs
Пожалуйста , срочно ​
7 лет назад
Предмет: Английский язык, автор: J545
1. I (to wash) the dishes after dinner. 2. I (to wash) the dishes from six till seven yesterday. 3. She (to finish) cooking at four o'clock yesterday. 4. At half past four yesterday we (to have) dinner. 5. We (to work) the whole morning yesterday. 6. Mother (to cook) dinner at three o'clock yesterday. 7. They (to go) to the wood last Sunday? 8. When they (to sail) down the river, they (to see) a little island. 9. They (to translate) a difficult text yesterday. 10. 1(to open) the window at six o'clock yesterday. 11. You (to go) to the cinema yesterday? 12.I(not to see) Mike last week. 13. When I (to open) the door, my friends (to sit) around the table. 14. When you (to begin) doing your homework yesterday? 15. We (to discuss) the latest news from three till four yester- day. 16. When I (to read) the newspaper yesterday, I (to find) an interesting article on UFOS. 17. You (to watch) TV yesterday? – Yes, we (to watch) TV the whole evening yesterday. 18. When you (to go) to bed yesterday? 19. I (to go) to bed at ten o'clock yesterday. 20. At half past ten yesterday I (to sleep). 21. When I (to come) home from school yesterday, my little brother (to sit) on the floor with all his toys around him. He (to play) with them. I (to tell) him to put his toys into the box as he (to make) too much noise.
7 лет назад
Предмет: География, автор: ketti01
План описания реки Амазонка. 1. В какойПлан описания реки Амазонка.1. В какой части материка течёт?2.Где берёт начало?Куда впадает?3.В каком направление течёт?4.Объясните зависимость характера течения от рельефа.5.Определите источники питания реки .6.Каков режим реки и как он зависит от климата?
10 лет назад
Предмет: Математика, автор: magic2013da
7куб.м 20куб дм * 12
9км 200м * 12
плиз без вот этого= дм3,мм3 (не изучали пока)...
8кв.м 20 кв.дм*5
прошу помочь!  Путаюсь
10 лет назад