Предмет: Математика, автор: kattiraef

на а задание уравнение помогите пожалуйста!!!

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Автор ответа: LechK

0

0,3x-0,6-0,2x-0,8=0,6
0,1x=0,6+0,6+0,8
0,1x=2
x=20

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