Предмет: Алгебра, автор: Skill1337kek

Решите систему уравнений способом подстановки
5x-3y=-1,
y+2y=5.

Ответы

Автор ответа: smirnovasofia

0

5x-3y=-1
3y=5

5x-3y=-1
y=5/3

5x-3*5/3=-1

x=4/5
ответ (x;y)(4/5;5/3)

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