Решите систему уравнений .ПЖЛ 3х+5у=12 х-2у=-7 - №19553498

Решите систему уравнений .ПЖЛ
3х+5у=12
х-2у=-7
- Предмет:
  Алгебра
- Автор:
  jacquelinejnwg
- 6 лет назад

Ответы 1

X=2y-73(2y-7)+5y=126y-21+5y=1211y=33y=3x=6-7=-1
- Автор:
  lina22
- 6 лет назад
- 0
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