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Решите уравнение а) 2х - 25/4= 3/4х+ 15/2

Ответ:

proovdnik

21.08.2020 13:55

2x-3/4x=15/2+25/4
(8x^2-3)/4x=30/4+25/4
2x-3=55/4
2x=55/4+12/4
2x=67/4
x=67/4:8/4=67/4*4/8=67/8
x=8,375

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