Предмет: Алгебра, автор: danamatys4ja

Алгебра 7 класс помогите решить контрольную пожалуйста

Приложения:

danamatys4ja: В способе сложения

danamatys4ja: 1 мин осталось

Ответы

Автор ответа: skrydlovaroslav35

1

Ответ:

-2x - y = -5
x - y = 2

-2x+x = -3
-x = -3
x = 3

-6 - y = -5
y = -1

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