Предмет: Математика, автор: ulanamoliboga

При якому значенні х вирази -4,5(х+3) і 7,2-5(х-2) набувають рівних значень?
ПОМОГИТЕ ПЖ

Ответы

Автор ответа: jekadva
1

Ответ: x = 61,4

Пошаговое объяснение:

-4,5(х+3) = 7,2-5(х-2)

-4,5x - 13,5 = 7,2 - 5x + 10

-4,5x - 13,5 = 17,2 - 5x

5x - 4,5x = 17,2 + 13,5

0,5x = 30,7

x = 30,7 : 0,5

x = 61,4

Автор ответа: ggigroniys
0

Ответ:

Ответ: x = 61,4

Пошаговое объяснение:

-4,5(х+3) = 7,2-5(х-2)

-4,5x - 13,5 = 7,2 - 5x + 10

-4,5x - 13,5 = 17,2 - 5x

5x - 4,5x = 17,2 + 13,5

0,5x = 30,7

x = 30,7 : 0,5

x = 61,4

Пошаговое объяснение:Ответ: x = 61,4

Пошаговое объяснение:

-4,5(х+3) = 7,2-5(х-2)

-4,5x - 13,5 = 7,2 - 5x + 10

-4,5x - 13,5 = 17,2 - 5x

5x - 4,5x = 17,2 + 13,5

0,5x = 30,7

x = 30,7 : 0,5

x = 61,4

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: brus9710
помогите с английским пожалуйста 1. Put the words in the box into the correct columns. Then add more words of your own to each column. (5p) rock and roll, musician, punk, pop, accordion, bass guitar, piano, saxophone, lead guitar, cello, heavy metal, songwriter, jazz, flute, drums, classical, singer, pop star, folk, guitarist, violin, rock, producer Instrument _____________ _____________ Person _____________ _____________ Types of music _____________ _____________ 2. Reading. Music in Our Life People cannot live without music. They listen to music, dance to music or learn to play musical instruments. There is music everywhere: at home, in a concert hall, in the park, at the seaside, in the forest and even in the street. Music is not only a combination of pleasant sounds. It is an art which reflects life. Music reflects people's ideas and emotions. In this world of ours, filled with conflicts, tragedies, joys and hopes, music strives to speak to people of what is most important, urgent and poignant. Music in the lives of different people is different: some compose music, others play music, and others only listen to it. A lot of people who cannot play any musical instrument love to listen to music either at home or at a concert. Different people like different kinds of music. You may prefer pop or rock music, country or folk music, classical music or jazz, but you certainly cannot think of a day without music. As for me, I prefer ... music. I have a lot of cassettes (CDs, records). I try to watch all the programmes dealing with it on TV and to go to the concerts as often as possible. My favourite composer (singer, musician) is... I think he (she) is very talented. I can (not) play an instrument (the piano, the guitar, the violin). It is a great pleasure to be able to play an instrument and I like it a lot. 3. Сomplete theses sentences. It can be phrases from the text or your own opinion: (7points) 1) People cannot live without… 2) There is music everywhere: 3) Music is not only a combination … 4) Music reflects people's … 5) Music is a part of our lives. It is a source​
11 месяцев назад
Предмет: География, автор: dildoraabdurasulova3
Novotning inson salomatligiga qanday foydali va zararli tomonlari borligini tushuntiring.
11 месяцев назад
Предмет: Русский язык, автор: amriyazdonnabiev
Измените предложения по образцу. Образец: Больную рвет- У больной появилась рвота.

Больного тошнит. Больную знобит. Спину ломит. Во ртупересохло. В боку колет. Мне нездоровится. Было холодно. Ей не спится. Его лихорадит.​
11 месяцев назад
Предмет: Английский язык, автор: nikita0814
Помогите с решением.
6 лет назад
Предмет: Английский язык, автор: Аноним
ПОМОГИТЕ ПОЖАЛУЙСТА!!!!!!!ОЧЕНЬ ОЧЕНЬ СРОЧНО!!!!!!​
6 лет назад