Предмет: Математика, автор: erbolatkyzynazira

Пожалуйста помогите дам лучший ответ​

Приложения:

Ответы

Автор ответа: morsven
1

Ответ:

y = 5 - 2x

3x + 2(5 - 2x) = 12

3x + 10 - 4x = 12

-x = 2

x = -2

y = 9

erbolatkyzynazira: спасибо
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Русский язык, автор: milana6913
разбор по составу слова-белоствольную
2 года назад
Предмет: Английский язык, автор: kristifka
Exercise 1. Before reading the text translate the sentences paying attention to the words and expressions in bold.

1. Neither the government nor any official is above the law. We are all equal before the law.
2. They are studying law at the University.
3. If something isn’t done soon, farmers might take the law into their own hands.
4. The singer has filed a $100 million lawsuit against his record company.
5. Several traffic laws had been broken.
6. It is against the law to park on a double yellow line.
7. The local authority is prepared to prosecute them for breaking the law.
8. Local officials are reminding people to obey the law and not sell fireworks to children under 16.
9. The government recognized there were problems in urban areas but these could never be an excuse for lawless behaviour.
10. The money spent on prisons could be better spent on training first-time law-breakers to earn an honest living.
2 года назад
Предмет: Английский язык, автор: Casjd183
перевести слова на английский язык Cage,hamster,insect,kind,nature,project,society,wing, world,domestic,endangered, enjoyable, giant, natural, wild,zoological,fight(fought,fought),introduce,join,save, already,just, recently, yet,all over the world I guess that is right. No way .Watch our.
2 года назад
Предмет: Литература, автор: 1000105
Старуха Изергиль, ответить на вопросы
"Как можно охарактеризовать главного героя?", "В чем особенность пейзажа, в легенде? Какова его роль?", "Каковы отношения Данко и остальных людей?"
8 лет назад
Предмет: Математика, автор: Ekaterina20162001
Вычислите (sin68+cos38)^{2} +(sin38-cos68)^{2}
8 лет назад