Предмет: Математика, автор: mustafintemerlan04

-2,8×(3x+7)=5,6 jjjkjjjjjjjjjjjjjjjjjjjjjjjjjjjj

Ответы

Автор ответа: Пеппер

0

-2,8(3х+7)=5,6
-8,4х-19,6=5.6
-8,4х=25,2
х=-3.

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: yanaromm887

ПОМОГИТЕ СРОЧНО ДАМ 10 БАЛЛОВ ЛЕГКО

5 лет назад

Предмет: Английский язык, автор: balbertbogdan42

complete the following non-defining relative clauses using who or where
a) Robert parents, .... are retired now, live in spain
b) Peters sister, ..... goes to scool with me, is a very nice person
c) Synder, .... has a population of more than 3 million, is Australians largest cite
d) My uncle John, ...... lives in London, is coming to visit me next week.
e) I saw the film 'Casablanca', .... won an oscar win 1942

5 лет назад

Предмет: Английский язык, автор: nikaustimenko2007

4 Put the verbs in brackets into the correct tense. Decide if it is the first or the second conditional.
1) Your parents will be upset if you ...(not to get) the diploma. 2) She would be happy if we... (to bring) her flowers.
3) I wish my sister ... (to lend) me her new hat tonight.
4) Ann always ... (to shout) when she sees a mouse.
5) I wish my friends ... (to be) here now!
6) Ron ... (to take) the cat off the tree if he could climb it.
7) If they paint all the rooms in the flat next week, they ...(to move) there soon.
8) If I were you, I ... (tо visit) this museum.
9) If you saw the firework display, you ... (to be) surprised.
10) John will catch the idea when he ... (to read) this article up to the end.

5 лет назад

Предмет: Обществознание, автор: alin2004

Каковы заслуги князя Владимира? В чем значение принятия Русью христианства?

9 лет назад

Предмет: Алгебра, автор: tummix

Разложить на множители: 16-(y+2)^2
a^4-16b^4
1/27a^3-x^3
3c-c^2-3a+a^2

9 лет назад