Предмет: Алгебра, автор: lerapetrashenko

5. Розв'яжіть способом підстановки систему рівнянь 3х – у = 5, 4х + Зу = 11. А) (2; 1); Б) (1; 2); В) (3; 1); Г) (1; 3).

Ответы

Автор ответа: korganbaevislam

1

Ответ:
Г)(1;3) или В)(3;1) точно не знаю но штото помню так решали

Объяснение:

Автор ответа: klarich

0

Ответ: (2;1)

Объяснение:
y= 3x -5
4x+ 3×(3x -5)
13x=26
x= 2
6-5=1

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