September 2021 0 22 Report
Розв’яжіть графічним способом систему рівнянь {y=2x {3x+2y= -7 Смотреть ответ Реклама Реклама razinoleg razinoleg

Ответ:

х=-1; у=-2

Объяснение:

у=2х

3х+2*2х=-7   3х+4х=-7    7х=-7     х=-1

у=2*(-1)=-2    у=-2

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