Предмет: Алгебра, автор: poliynka1006

Решите пожалуйста 8(х-1)+2х=2(4-2х)​

Ответы

Автор ответа: serovaksusa1
0

Ответ:

8(х-1)+2х=2(4-2х)

8х-8+2х=8-4х

8х+2х+4х=8+8

14х=16

х=16/14

х=8/7

Х=1 1/7

Автор ответа: DashaSherbinskay
1
Вот как-то так:
8(х-1)+2х=2(4-2х)
8х-8+2х=8-4х
10х-8=8-4х
10х+4х=8+8
14х=16
х=8/7
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Другие предметы, автор: Полена
"облаштовуемо нашу планету" чому потрибно висаджувати рослини
2 года назад
Предмет: Английский язык, автор: yulkaxa
Упражнения 2. Раскройте скобки, употребляя гла - голы в Past Simple или Past Continuous.



1. I (to go) to the cinema yesterday. 2. I (to go) to the cinema at four o'clock yesterday. 3. I (to go) to the cinema when you met me. 4. I (to do) my homework the whole evening yesterday. 5. I (to do) my homework when mother came home. 6. I (to do) my homework yesterday. 7. I (to do) my homework from five till eight yesterday. 8. I (to do) my homework at six o'clock yesterday. 9. I (not to play) the piano yesterday. I (to write) a letter to my friend. 10. I (not to play) the piano at four o'clock yesterday. I (to read) a book. 11. He (not to sleep) when father came home. He (to do) his homework. 12. When we were in the country last summer, I (to go) to the wood one day. In the wood I (to find) a little fox cub. I (to bring) it home. I (to decide) to tame the cub. Every day I (to feed) it and (to take) care of it. I (to tame) it the whole summer. Now the fox cub is quite tame. It lives in my house. 13. When I (to go) to school the day before yesterday, I met Mike and Pete. They (to talk) and (to laugh). They told me a funny story. Soon I (to laugh), too. I still (to laugh) when we came to school. After school I (to tell) this story at home. My father and mother (to like) it very much.
2 года назад
Предмет: Русский язык, автор: khamzin2006
антоним к слову отъехать
2 года назад
Предмет: Геометрия, автор: BobrikTheCreator
60 баллов!!!


В четырехугольник АВСD вписана окружность. Сторона АВ в 3 раза больше стороны СD. Найдите стороны АВ и СD, если ВС = 13см, АD= 15 см.
9 лет назад
Предмет: Математика, автор: karinka7571
Помогите решить пожалуйста
9 лет назад