Предмет: Алгебра, автор: zyzygfzyzygf

1. Решите систему уравнений методом подстановки:

{x+3y=12

{2x+2y=8

2. Решите систему уравнений методом алгебраического сложения:

{-7x+11y=6

{-11y+x=18

Решите систему уравнений методом подстановки:

{5x+4y=-4

{-3x-2y=2

Ответы

Автор ответа: mathematics165
1

Ответ:

-ВСЕ ВО ВЛОЖЕНИЕ-

Объяснение:

-ВСЕ ВО ВЛОЖЕНИЕ-

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