Реши систему: {z=9+y {z−2y+2=4 - №32358076

Реши систему:
{z=9+y
{z−2y+2=4
- Предмет:
  Математика
- Автор:
  chubbsqnoy
- 6 лет назад

Ответы 1

Ответ:
у=-7
z=2
Пошаговое объяснение:
{z=9+y
{z-2y+2=4
{z=9+y
{9+y+2=4
9+y+2=4
y=4-2-9
y=-7
Если у=-7, то z=9+(-7)=2
- Автор:
  adela
- 6 лет назад
- 0
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