Предмет: Алгебра, автор: katerinka190603

1)7(2у-3)+6у-12=
2)-2(6-9у)-(у+3)=
3)1/9(3/4-у)-(у-115)=

Ответы

Автор ответа: DariosI
0
1)7(2у-3)+6у-12=14y-21+6y-12=20y-33

2)-2(6-9у)-(у+3)=-12+18y-y-3=17y-15

3)1/9(3/4-у)-(у-115)=1/12-1/9y-y+1/15=(5+4)/60-10/9y=9/60-10/9y=3/20-10/9y
Автор ответа: katerinka190603
0
Спасибо,большое)))
Автор ответа: katerinka190603
0
только ничего не понятно
Автор ответа: katerinka190603
0
уже понятно)
Автор ответа: katerinka190603
0
я просто дурачок
Автор ответа: КаринкаМалинка111
0
да это точно!!!
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