Предмет: Математика, автор: nkot8832

розв'яжить рівняння -4x-30=x+47​

Ответы

Автор ответа: Аноним
2

Ответ:

Пошаговое объяснение:

-4x - 30=x + 47​

Перенести неизвестную в левую часть а постоянную в правую часть  и сменить ее знак

- 4x - x = 47 + 30

Привести подробные члены так-же сложить числа

-5x = 77

Разделить обе стороны уравнения на -5

x = - \frac{77}{5}

x = - 15.4

Автор ответа: iramazurk
0

Ответ:

Пошаговое объяснение:

- 4х - 30 = х + 47

- 4х - х = 47 + 30

- 5х = 77

х = 77 : (-5)

х = -15,4

Интересные вопросы
Предмет: Английский язык, автор: mergevosyan
Let's play and talk. Use the information below for your own conversations. a) Student A: You are Rob. Your information is on this page. Student B: You are a shop assistant. Your information is on page 79. b) Student A: You are a shop assistant. Your information is on page 79. Student B: You are Misha. Your information is on this page. Information for Rob: • Say that you would like to buy some presents for your family. • Say that you are from the UK. • Say that first of all you'd like to buy a sweater for your mother. • Say that she is a size 12. • Say that it's a British size. • Ask what American size you need. • Say that you'd like to buy a funny T-shirt for your sister Rosy. • Say that she is a size 10. • Say that it's a British size. • Ask what American size you need. • Say that your father would like a pair of trainers. • Say that he's a size 8. • Say that it's a British size. • Ask what American size you need. Information for Misha: • Say that you would like to buy some presents for your family. • Say that you are from Russia. • Say that you'd like to buy a blouse for your mother. • Say that she is a size 48. • Say that it's a Russian size. • Ask what American size you need. • Say that you'd like to buy a cool top for your sister Masha. • Say that she is a size 42. • Say that it's a Russian size. • Ask what American size you need. • Say that your grandfather would like a jacket. • Say that he's a size 54. • Say that it's a Russian size. • Ask what American size you need. • Say that your father would like a pullover. • Say that he is a size 50. • Say that it's a Russian size. • Ask what American size you need.
Предмет: Английский язык, автор: sasha1c2016Jessi