Предмет: Алгебра, автор: sonya030610

Доведи тотожність:
10-9(а-2/3)+7а-16=-2а


Даю 20 балів

Ответы

Автор ответа: 0smash0
0

Ответ:

а - любое число

Объяснение:

10-9(а-2/3)+7а-16=-2а

10-9a+6+7a-16+2a=0

16-16=9a-7a-2a

0 = 0*a

Это уравнение верно при любых а

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: zolamansyngyshan
Look at the items and write where you can buy them. post office sports shop clothes shop bookshop newsagent's music shop supermarket optician's • baker's chemist's butcher's florist's toy shop • bike shop • pet shop mobile phone shop photography shop delicatessen jeweller's ironmonger's shoe shop electrical shop accessory shop greengrocer's fishmonger's 0 B •​
2 года назад
Предмет: Английский язык, автор: sugurovazhansaya867
that shop? signer ) -'et. all his 30) (not meet) at before? an hour. b Complete the dialogue with the present perfect or past simple. A Oh no! I've seen this film before! (see) B Really? When ¹ A 12 and it was on then. (go) B Oh, never mind. [3 cinema in ages. The last film 14 was Mamma Mia! (not be, see) S A B Of course! 15 c Complete with been or gone. 1 2 Have you ever. town? "Where's Rob?" He's gone to the football match.' The kids aren't here. They've all 3 I haven't 4 My sister has 5 Oh good. Dad's it? (see) to the cinema in March A p.31 to the it? (enjoy) it! (love) to Sue's new flat yet. out. to the swimming pool in to teach in France. to the shop- the fridge is full.
помогите пожалуйста быстро пж пж даю 20 баллов​
2 года назад
Предмет: Химия, автор: andriyRT
Поставте коефіцієнти у схемах, перетворивши їх на рівняння
а) ZnS + O2 --> ZnO + SO2
б) P + O2 --> P2O5 ​
2 года назад
Предмет: Английский язык, автор: belkovaket
Read the sentences. Look at the picture. Open the brackets.
1.The man (read) a newspaper.
2.The boy (skateboard).
3.The girl (roller-skate).
4.The woman (ride) a bike.
5.The man (walk) his dog.
6.The boys (play) football.
7.The man (play) the guitar.
8.The child (listen) to the man.
9. I (do) this exercise.
10.The man and the woman (play) cards.
11.The man (take) photographs.
12.The people (have) a picnic.
13.The boy (listen) to music.
14.The woman and her son (walk).
15. The dog (chase) a bird.
8 лет назад
Предмет: География, автор: ludvikmirej1999
Какая страна не имеет моренный рельеф
А) Норвегия
Б)Швеция
В) Финляндия
Д) Дания
8 лет назад