помогите решить пожалуйста:{2x+3y=-4 {5x+6y=-7 - №28842843

помогите решить пожалуйста:{2x+3y=-4 {5x+6y=-7
- Предмет:
  Алгебра
- Автор:
  reginaldwall
- 6 лет назад

Ответы 1

{2х+3у=-4 |×-2{5х+6у=-7 |×1{-4х-6у=8{5х+6у=-7х=1{2х+3у=-4 |×5{5х+6у=-7 |×-2{10х+15у=-20{-10х-12у=143у=-6у=-2
- Автор:
  pedrowpxb
- 6 лет назад
- 0
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