Предмет: Алгебра, автор: andryjudovenko

метод додавання 5х-3у=11 2х-4у=3

Ответы

Автор ответа: secret312

1

Ответ:

(2.5 ; 0.5

Объяснение:

5x-3y=11

2x-4y=3

5x-3y=11 l *4

2x-4y=3 l *-3

20x-12y=44

-6x+12y=-9

14x=35

x=2.5

12.5-3y=11

-3y=-1.5

y=0.5

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