× + 3× + 5 =17 помогите пожалуйста решить уравнение
Аноним:
1. I have two sisters. My sisters are students. 2. We are at home. 3. My brother is not at home, he is at school. 4. My mother is at work. She is a doctor. 5. I am not a doctor. 6. I haven't a sister. 7. He is not a pilot. 8. I have thirty-two teeth. 9. He has a child. 10. She has two children. Her children are at school. 11. Is your father at home? — No, he is at work. 12. Where is your brother? — He is at home.
Ответы
Ответ дал:
1
Ответ:
x + 3x + 5 = 17
4x + 5 = 17
4x = 17 - 5
4x = 12
x = 12 : 4
x = 3
Ответ дал:
0
Ответ:
Пошаговое объяснение:
4х=17-5
4х=12
х=12:4
х=3
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