Предмет: Математика, автор: arka25

Пожалуйста помогите

Приложения:

Ответы

Автор ответа: kaldiguldusenbaeva69
0

Ответ:

=-с-12+16с=15с-12

-2а+2с+4+4а-2(-2b-4b)=2a+2c+4+4b+8b=2a+2c+4+12b

-2a-4b+2+2(2b-2a)=-2a-4b+2+4b-4a=-6a+2

(43c-3(-2c)-4a)-2=(43c+6c-4a)-2=-86c-12c+8a=98c+8a

23-2-b=21-b

-4(3c-2-2a)=-12c+8+8a

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