Предмет: Алгебра, автор: dashaknysh438

Розв'яжіть систему способом додавання:
{-2x+y=1
{6x-y=7

Ответы

Автор ответа: anastasia7885

0

Ответ:

х=2

у=-6

Объяснение:

-4х=8

х=8÷4

х=2

6×2+у=7

у=7-12

у= -6

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