Вопрос школьника по предмету Математика
решите уравнения:
5(х+1) = 9,
3(х-4) = 1
Помогите срочно 6 класс, нужно решить с помощью распределительного свойства
Ответ учителя по предмету Математика
5(х+1) = 9
5х+5=9
5х=9-5
5х=4
х=4/5
х=0,8,
3(х-4) = 1
3х-12=1
3х=1+12
3х=13
х=13/3
х=4 1/3
Похожие вопросы от пользователей
Помогите ПОЖАЛУЙСТА!
31 August 1997
I will never forget what I was doing when I heard about the death of Princess Diana. It was Sunday morning and A _____. I got up and made myself a cup of coffee. It was about ten past seven. At that time there is usually some farming news on the radio. On Sundays there are also religious programmes. I don’t usually listen to the radio early on Sunday mornings but I switched it on.
A woman in the studio was asking questions and a man was answering them by telephone. Tne man said: «We must think about the children at this tragic time.» Tragic? What was he thinking about? B ______ and a few seconds later the woman said: «We have changed this morning’s programmes to bring you news of the death of Diana, Princess of Wales.» I felt a terrible shock and C _______. That morning I telephoned about 25 people but D _______. We didn’t know what to do. Eventually my sister and I decided to go to Kensington Palace, where Diana lived.
E _______, there were about a thousand of people there. Some of them were putting flowers at the palace gates. Others were standing quietly in Kensington Gardens. A lot of people were crying and embracing each other. There were a lot of journalists and photographers. My sister waas very angry F ______. «Go away!» she shouted at one of them. «This is all your fault!»
1)when we arrived
2 i losten more careful
3 when she saw them
4 i coldnot sleep
5 everyone was in deep shock
6 i was doing nothing
7 i couldnot believe it