помогите решить уравнение с дробями (x-3 13\21)+2 10\21=7 2\21

Give Russian equivalents for the following sentences
1. Having painted a new picture , Dali used to show it to his wife .
2. Having been counted , the children started to board the plane .
3. Having been sold , the dress was removed from the window .
4. Having lived in a little village all his life , he found his daughter's city flat too noisy .
5. She closed the door , having left the key in the room .
6. Having been invited to the party , the girls spent all weekend getting ready.
7. Having read the book before , he decided not to buy it .

кто личность зрелая для меня?

объем 150 слов примерно

Здравствуйте, Раскройте скобки и выполните действия.Буду очень благодарна!

а)-3,8-(-8,1+3,9)=

б)7,5+(-8,4-2,1)

в)-7\8-(1 целая  3\4-1\2)

г)4\9-(-1 целая 1\3+7\9)

д)-8,76-(-3,25-10,76)

е)-6,19+(-1,5+5,19))

ж)-9\20-(-11\20-5\6)

з)17\28+5\18-(3\28-13\18)

В ателье сшили 26 платьев,костюмов на 4 больше,чем платьев,а брюк на 10 меньше,чем костюмов.Сколько брюк сшили в ателье?