October 2021 0 17 Report
Ребят помогите решить систему уравнених)) 7класс |. 7х+y=20
|. x-5y=8


|. 3x+7y=-5
|. 5x+4y=7



|. 2-4y=3(x-2)
|. 2(x+y)=5y+2,5
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