помогите решить уравнение 34,98×-33,98×+24×=87,29

4. When we (go) to see them last night they (play) chess, they said they (play) since six o'clock.

5. It (be) all so sudden that for a moment no one (know) what (happen).

6. Nobody (know) he (go) to London on Sunday.

7. Grant (go) to the drawing room where Alison (sit) with a book.

8. The boys (be tired) because they (play) football.

9. She (say) it in a voice he never (hear) before.

10. I (be) sure they (talk) about me, because they (break off) as soon as I (enter).

11. The rain that (fall) since the morning (stop) by the afternoon but a strong wind still (blow) and the sky (be covered) with dark clouds.

12. I (tremble) like a leaf.

13. He (make) tea and (eat) the biscuits Mrs Aberdeen (bring) him.

14. At the age of 74 he (be) excited as a boy about his expedition.

15. It (rain) heavily since the morning and she (not/allow) the children to go out.

16. When it (be) time to go I (ask) if I could see the room I (live) in for 5 years.

17. He (lie) there and (think) of what (happen).

18. When the dog (see) that the kettle (boil) he (growl) and (run) away. Poor thing!

19. I (finish) my work for the day and (rest) quietly in my armchair, thinking of the days that (go) by.

20. At that moment the phone bell (ring). Rose (take) up the receiver and (listen).

21. He (like) music very much but the piece she (play) (have) no melody for him. .

22. I (look) at her. She (smile) to herself and (not/answer) my question at once. I (repeat) it.

23. For some time she (not/realize) where she (be) and what (happen).

24. She (feel) chilly after she (swim) for an hour.

25. Near the gate he (see) the same red Mercedes he (pay) attention to at the station.

26. As they (stroll) up College Road, Paul (begin) talking about the exams he successfully (pass) in his Department.

27. He (not/be) a cruel man by nature and (be) secretly a little ashamed of the part he (play) during the last month.

28. Dixon (be) a bit disappointed, he (feel) none of the pleasurable excitement he (expect).

29. She (teach) Russian for 2 years when she (live) in Great Britain.

спасибо,заранее)))))

Отметьте  особенность Российской экономики в начале 20 века.

А) Высокая еонцентрация рабочих  на промышленных предприятиях.

Б) Государственная поддержка  мелким и средним предпринимателям.

В) Вывоз капитала в колонии.

Г) Строительство промышленных предприятий в Сибири.

Решите уравнение:

6-5x=3x-10