Предмет: Математика, автор: тьпиате

x + 3x+ 5=17 уровнение

Ответы

Автор ответа: svetazuna

х+3х+5=17,
4х=17-5,
4х=12,
х=3,
проверка:
3+3*3+5=17,
3+9+5=17,
17=17

Автор ответа: Кек2048

х+3х=17-5
4х=12
х=12 |:4
х=3

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: dktmarganets

Пожалуйста помогите ответить
1. Simon and Emma ____ going to get married. *
1 балл
aren't
isn't
don't
2. Where ____ going to study? *
1 балл
are you
you are
is you
3. Which sentence is NOT correct? *
1 балл
We’re going to see a film.
Paul’s not going to get a job.
They’re not going visit the castle.
4. Are you going to meet Ruth? *
1 балл
Yes, we are.
Yes, she is.
Yes I'm.
5. Which question is correct? *
1 балл
What time we going to arrive?
Where you are going to stay?
Which television are you going to buy?
6. Rebecca is __________ have a baby next month. *
1 балл
go to
goes to
going
going to
7. ______ you going to cook supper? *
1 балл
Will
Are
Do
What
8. What are you going to __________ this evening? *
1 балл
wore
wear
wearing
wears
9. They _______ to the railway station. *
1 балл
is not going to walk
are not going to walk
am not going to walk
10. They _______ the lottery. *
1 балл
is going to win
going to win
are going to win
are going win
11. John _______ a plane. *
1 балл
going to fly
going flying
am going to fly
is going to fly
12. I _______ a barbecue. *
1 балл
are going to have
is going to have
am going to have
going to have
13. Mary _______ next Saturday. *
1 балл
is going to sing
am going to sing
is going sing
is going singing
14. Look at the clouds! It's _______. *
1 балл
is going to rain
going rain
going to rain
go raining
15. Mary is _______ her grandparents at the weekend. *
1 балл
is going to visit
going to visit
am going visit
go to visit
16. We _______ have dinner at an Italian restaurant tomorrow. *
1 балл
go to
going to
are going
are going to
17. Peter and I _______ to the bowling alley on Friday. *
1 балл
am going to go
am going
are going to go
are going go
18. They _______ by plane. *
1 балл
aren't going to travel
are going travel
are not going travel
aren't going travel
19. _____ Colin going to _____ the dog for a walk? *
1 балл
Are, take
Is, take
Is, taking
Is, to take
20. Matt _______ tennis tonight. *
1 балл
am going to play
is going to play
is going play
's going playing

6 лет назад

Предмет: Математика, автор: julyi82

||3х-2|+3|=7
пж пж пж дам 10 баллов

6 лет назад

Предмет: Окружающий мир, автор: andrey190433

У чому полягає біосоціальний характер формування особистості? СРОЧНО БУДЬ ЛАСКА!
В чем заключается биосоциальный характер формирования личности? СРОЧНО ПОЖАЛУЙСТА!

6 лет назад

Предмет: Обществознание, автор: fatimayakushev

Американскому писателю и философу Р. Эмерсону (1803-1882) принадлежит фраза:"Жизнь не настолько коротка,чтобы людям не хватало времени на вежливость". О чем говорится в этой фразе?
1. О правовых нормах
2. Об этических нормах
3. О правилах этикета
4. О традициях

9 лет назад

Предмет: Литература, автор: evelina1234

Помогите составить 15 вопросов по Мертвым Душам Гоголя? надо составить вопрос и правильный ответ!!! Срочно

9 лет назад