Предмет: Алгебра, автор: andmis07

Реши систему уравнений:
2x−y=7
x−1,5y=10

x=
y=

Приложения:

Ответы

Автор ответа: vovmeshckov2016
1

Ответ:

x=0.25 y=-6.5

Объяснение

y=-7+2x

x-1.5y=10

x-1.5(-7+2x)=10

x=0.25

y=-7+2*0.25

y=6.5

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