решите уравнение 9+13х=35+26х

несдобровать придумать предложение

Упростите выражение: 1) 3х+7у-6х-4у 2)8а+(5-а)-(7+11а) 3)4-5(3с+8)

II. Change the questions using Do you know…? Could you tell me…?

1. Why did they want to leave so soon?

2. How does this mechanism work?

3. What clothes should I take with me to America?

4. What is her E-mail?

5. How do you cook this tasty dish?

6. When has he gone to Paris?

Очень надо...