1. A: Do your neighbors know that you are a police officer? No, they do not.
2. A: Do you follow the same routine every morning? Yes, I do.
3. A: Does Dr. Jarvis know the name of her new assistant yet? No, he doesn't.
4. A: Are Paul and Beth studying the problem? No, they are not.
5. A: Do they understand the problem? Yes, they do.
6. A: Is Mike reading the paper and watching television at the same time?No, he is not.
7. A: Are you listening to me? Yes, I am.
8. A: Is that building safe? Yes, it is.
9. A: Does the weather affect your mood?
I realy like this summer .In the begining of a summer I go to Azov sea.in July I read very interesting books such as Tom Sawyer Harry Potter and others. In general, I spent a lot of time walking in the street with friends. I really liked this summer, it was interesting, exciting and very unusual.
3х+7/5=6х+4/5 умножаем обе части на 5 получаем
3х+7=6х+4
3х-6х=4-7
-3х=-3
х=1
Проверка
3*1+7/5=6*1+4/5
10/5=10/5
2=2