Предмет: Математика, автор: Ruslan22848

Помогите решить Решите систему уравнений методом подстановки

А
(X=5y
(2x-7y=6
Б
(y=2-3x
(5x+4y= -6

В
(4x-5y=-6
(3x+2y=19

Ответы

Автор ответа: death0101
0
3 задачу не решила . Не смогла
Приложения:
Автор ответа: Ruslan22848
0
Cnc
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