Решить систему: x(x+y)=15 y(x+y)=10 - №125141

Решить систему:

x(x+y)=15

y(x+y)=10
- Предмет:
  Алгебра
- Автор:
  larry89
- 7 лет назад

Ответы 1

x(x+y)=15

y(x+y)=10

x+y=15/x

x+y=10/y

15/x=10/y

10х=15у

х=15у/10

х=3у/2

у(3у/2+у)=10

у=2

х=3*2/2

х=3
- Автор:
  conanwalsh
- 7 лет назад
- 0
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