Предмет: Математика, автор: Daler0804

Ребят решите это пожалуйста! Дпю 30 баллов!!

Приложения:

Daler0804: СРОЧНО!!!!

Ответы

Автор ответа: sashakawtira
2

Ответ:

в первом задании ответ будет 3

во втором задании ответ 8

в третьем ответ будет x=31 x=-27

Пошаговое объяснение:

ну мы берем 2*3-9 =-3  и 3+3*3=12

и у нас выходит 3

второе задание решил методом подбора

135\5=-27 так как раскрыли модули   а 31 вышло x-4=-27 простым уравнением

  составим уравнение

х+8=32-3х

3х-х=32-8

2х=24

х=12        


Daler0804: А можешь написать или сделать фото чтобы было пошаговое решение а то просто не засчитают
Похожие вопросы
Предмет: Английский язык, автор: grisenkovalerij80

Помогите пожалуйста!!!!!!!!!
We often think of novels as places in  
1)_____(where,who,which)to lose ourselves, but the truth is that reading can have a much more far-reaching effect. If you find2)_____ (your, yourself,you) in trouble, there's always a book to remind you that others have been there before. It's just a question of finding the right book. And that is where bibliotherapy comes in: the use of books to help people deal with their problems, whatever they 3)______(may,can,will) be. The treatment has become more4)_______(and,in,than)  more common in recent years, and today it is practised
5)________(for,by,of)  psychologists - and librarians - all over the world. There is also scientific evidence in favour of the technique. Researchers at Sussex University in the UK have found that reading is a more effective way of relieving stress than listening to music, going for a walk or sitting down6)______(anywhere, everywhere, somewhere)with a cup of tea. After just six minutes with a book - any book - the people in the study found their stress levels 7)________(were,are,been)  reduced by up to 68%. This suggests that the therapy could help people8)_________(which,whose,who)  lives have become meaningless leading them to fall into depression. If they have the right book recommended to 9)_________ (them, themselves,they)  , they may get over their illness quicker. Bibliotherapy can certainly10)_________ (take, make,do)  no harm. At the very least, a patient will discover some great new titles to read.​