Предмет: Математика, автор: рико8

5+2x-3(x-13) равно 50

Ответы

Автор ответа: FenixDurango

1

$5+2x-3(x-13)=50 \\ 5+2x-3x+39=50 \\ 2x-3x=50-39-5 \\ -x=6 \\ x=-6$

Автор ответа: Лерчик008

0

5+2×-3 (×-13)=50 5+2×-3×+39=50 2×-3×=50-5-39 -×=6 ×=6÷(-1) ×=-6

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: aziznurumbetov64

Underline the correct tense. 1 The plane leaves/has left at four o'clock. We must be at the airport by two o'clock. 2 It gets/is getting colder and colder every day. 3 Have you seen Linda? I have been looking/am looking for her for almost an hour. 4 Sam is a very interesting person. He knows/has known all kinds of unusual facts. 5 First, you are heating/heat the oven to a temperature of 180°C. 6 Have you heard the news? They have just elected/ have been electing a new club chairman! 7 Martha is finding/has found a new job. She is starting next week.

1 год назад

Предмет: Английский язык, автор: katyakalushenko

(73) Put the verbs in brackets into Present Perfect Continuous. Tim: Hello Joe. What 1) have you been doing Tim: Why haven't I met her? (you/do)? Joe: Because she 5) (play) tennis Joe: 1 2) with Helen. Tim: Who is Helen? Joe: She's my new girlfriend. 13) (go) out with her for two weeks. Tim: Does she live here? Joe: Yes, she 4) here for two months. (live) (leave) (come) back late every day for the (she/do) that? home early and she 6) last six weeks. Tim: Why 7) Joe: Because she 8) (look for) a job. Tim: I must meet her some time. Joe: Well, let's all go out together tomorrow then.

1 год назад

Предмет: Алгебра, автор: xiaomiredmi9c6075

Відомо, що а > в. Порівняйте вирази: -7а + 8 і -7в + 8

1 год назад

Предмет: Химия, автор: ilya00728

помогите пожалуйста с химией

7 лет назад

Предмет: Английский язык, автор: 4РИМ

выполнить задания к тексту

7 лет назад