Предмет: Математика, автор: combine1

-x-4+5(x+3)=5-4x плез помогите решить

Ответы

Автор ответа: vmaluga2011
0
-х-4+5(х+3)=5-4х
-х-4+5х+15=5-4х
-х+5х+4х=5+4-15
8х=-6
х=-6:8
х=-3/4

-х-4+5(х+3)=5(-1-х)-2
-х-4+5х+15=-5-5х-2
-х+5х+5х=-5-2+4-15
9х=-18
х=-18:9
х=-2

Автор ответа: vmaluga2011
0
Не знаю, надо посмотреть
Автор ответа: combine1
0
-x-4+5(x+3)=5(-1-x)-2
Автор ответа: vmaluga2011
0
Да
Автор ответа: combine1
0
реши плз
Автор ответа: vmaluga2011
0
Готово
Автор ответа: Hикушa
0
-x-4+5x+15=5-4x
-x+5x+4x=5+4-15
8x = - 6
x = - 0.75
Похожие вопросы
Предмет: Английский язык, автор: Аноним
Пжжжж

Choose the correct reporting verb. Then complete the sentence with the infinitive or –ing form of the verb in brackets.
They denied / insisted _____(stay) at the party until after midnight.

Виберіть одну відповідь:
insisted, staying
insisted, stay
denied, staying
denied, stay


Complete the reported speech with the correct verb form.

‘I’ve never been to Portugal,’ said Joseph.

Joseph said that he __________to Portugal.

Виберіть одну відповідь:
has been never
had never been
have never been
has never been



Order the words to make sentence with have something done.

There’s room for you all to stay at our house this year. (extension / we’ve / built / an / had).

Виберіть одну відповідь:
We’ve an extension had built.
Had we’ve an extension built.
We’ve had built an extension.
We’ve had an extension built.



Combine each pair of sentence to make a single sentence with a non-defining relative clause. Choose the correct sentence.

My new laptop has stopped working. It cost over £500.

Виберіть одну відповідь:
My new laptop, who cost over £500, has stopped working.
My new laptop, where cost over £500, has stopped working.
My new laptop, which cost over £500, has stopped working.
My new laptop, whose cost over £500, has stopped working.



Complete the sentence with a compound noun.
Before you get on a flight, show your ticket and passport at the _________.

Виберіть одну відповідь:
service station
check-in desk
deck
level crossing



Choose the correct verb to complete the sentence.
΄I’ll definitely be there to meet you at the airport,΄ he ____.

Виберіть одну відповідь:
promised
wondered
begged
suggested