Предмет: Алгебра, автор: littledagcheck

Дпю 20 балов
розв'язати систему графічним методом: 2х+у=8
2х-у=0
Пжжж, тільки графічним​

Ответы

Автор ответа: Аноним
2

\displaystyle \left \{ {{2x+y=8} \atop {2x-y=0}} \right. \\\\\left \{ {{2x+y=8} \atop {2x=y}} \right. \\\\y+y=8\\y=4\\2x=4\\x=2\\(x,y)=(2,4)

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