Предмет: Алгебра, автор: kethannahmont

19-5(3x-1)=9
Помогите решить пожалуйста . Уравнение

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Автор ответа: JuliaKovalchook
0
19-5(3x-1)=9
19-15x+5=9
-15x=9-5-19
-15x=-15
x=1
Автор ответа: kethannahmont
0
спасибо
Автор ответа: missAntonina
0
19-5(3х-1) = 9
19 - 15х + 5 = 9
- 15х = 9 - 19 - 5
- 15х = -15
х = 1
Автор ответа: kethannahmont
0
спасибо
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Задания к тексту.
Exercise 1. Подберите правильный ответ.
Mellish school is for
a) small children.
b) older children.
c) small and older children.
The white teachers can’t walk to school because
a) they live far from the school.
b) they don’t like to walk.
c) it’s dangerous for them.
There’s a policeman
a) at the door of the school.
b) near the toilet.
c) outside the washroom.
The white teachers work there because
a) they can’t find a better job.
b) they love their job.
c) they get a lot of money there.
The school needs
a) more money
b) more teachers.
c) more policemen.
Exercise 2. Say if the statements are true, false or not mentioned.
1. Mellish school is in the slums of Mexico.
2. Most children have problems at home.
3. Mellish a problem school.
4. The principal of the school has 5 children in his family.
5. The school needs money.
6. It’s good salary that keeps the teachers in that school.
Exercise 3. Answer the questions.
1. Where is Mellish school situated?
2. How many pupils are there in the school?
3. Is it hard or easy for the teachers to work in this school?
4. Why do some of the pupils sleep during the lessons?
5. Is the principal optimistic?
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2. The ___________ teachers can’t walk to the school because they may be attacked.
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4. The teachers teach and do __________ work.
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