Автор - Prettyboys

2019-(2x-(x-(3x-2001)))=0

Ответ

Автор - veroniska456
2019-(2x-(x-(3x-2001)))=0
2019-(2x-(x-3x+2001))=0
2019-(2x-(-2x+2001))=0
2019-(2x+2x-2001)=0
2019-(4x-2001)=0
2019-4x+2001=0
4020-4x=0
-4x= -4020
x=1005

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