Предмет: Математика, автор: oksanaks14owgu04

помогите пожалуйста, срочно!!!

Приложения:

Ответы

Автор ответа: rehfcv

1

Ответ:

3k+6y=4545/2

3y-2k=1170/3

6k+12y=9090

9y-6k=3510

6k и -6k сократятся

21y=12600

y=600

3k+6×600=4545

3k=945

k=315

Автор ответа: abdulhamidatabekov87

0

Ответ:

3x+6y=4545. 3(X+2y)=4545 X=1515-2y

3y,-2x=1170 3y-2x=1170. 3y-2(1515-2y)=1170

3y-3030+4y=1170

7y=4200

y=600

X=1515-1200=315

Ответ X=315,y=600

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