Предмет: Математика, автор: Аноним

6-2*(7-4x)=8x+20
срочно быстро!

Ответы

Автор ответа: Svita14

0

Ответ:

6-2*(7-4x)=8x+20

6-14+8х=8х+20

8х-8х=20-6+14

0=28

Ответ: Решений и корней нет.

Автор ответа: nikshevchenko2008

0

Пошаговое объяснение:

6-2*(7-4x)=8x+20

6-14+8x=8x+20

8x-8x=20-6+14

0x=28

x=нет корней

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: акедилованазерке

ночи запишите однозначные и многознченые

1 год назад

Предмет: Английский язык, автор: nastyati345678

Помогите пожалуйста!

никак не могу вставить вставте пропущеные буквы

1 год назад

Предмет: Русский язык, автор: Angel200527

мини сочинение на тему скоро новый год с прямой речью

1 год назад

Предмет: Английский язык, автор: vasiliishpilev

ОООчен надо ,срочно!!!Помогите пожалуйста !!!!
Выберите один правильный вариант ответа.
1. Which is …: the United States or Canada?
a) large b) larger c) the largest d) largest
2. The London Underground is … in the world.
a) more old b) older c) the oldest d) the most old
3. The rivers in America are much … than those in England.
a) bigger b) big c) more big d) biger
4. This is … view I have ever seen in my life.
a) more beautiful b) beautiful c) the beautifulest d) the most beautiful
5. It is not … today as it was yesterday.
a) as cold b) so cold c) cold d) colder
6. She speaks Italian …than English.
a) better b) best c) the best d) good
7. My sister speaks English … than I do.
a) badder b) worse c) bad d) the worst
8. Chinese is … than English.
a) the most difficult b) difficultest c) difficulter d) more difficult
9. My father … a teacher.
a) is b) be c) are d) were
10. I … a doctor when I grow up.
a) was b) shall be c) am d) were
11. … your aunt a doctor?
a) are b) will c) were d) is
12. When I come home tomorrow, all my family … at home.
a) will be b) was c) is d) shall be
13. Where … you yesterday?
a) was b) were c) will be d) are
14. Where … your books now?
a) are b) is c) were d) was
15. We … late for Institute yesterday.
a) are b) were c) shall be d) was

16. … she ill last week?
a) was b) is c) were d) will be
17. He … a new flat next week.
a) has b) had c) have d) will have
18. They … a famous battle in 1812.
a) had b) have c) haved d) has
19. We … many good friends in London.
a) had b) had got c) has d) have got
20. She has got much work on Saturday, …?
a) hasn’t she b) doesn’t she c) hasshe d) didn’t she

7 лет назад

Предмет: Химия, автор: MrTrololoshka007

Позначте хімічне явище:
а) плавлення свинцю
б) випаровування сухого льоду
в) почервоніння плодів восени
г) розчинення цукру у воді

7 лет назад