система {3х+у=2{х+2у=-6 - №21777403

система {3х+у=2{х+2у=-6
- Предмет:
  Математика
- Автор:
  samsonwvis
- 6 лет назад

Ответы 1

х = -6 -2у3(-6 - 2у) +у =2-18 - 6у + у=2-5у=18 + 2у= - 4х = -6 -2* (-4) = -6+8 = 2
- Автор:
  peñaphsx
- 6 лет назад
- 0
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