Предмет: Алгебра, автор: yarik109

Помогите пожалуйста разобраться

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Автор ответа: baribal2014

переведем 3/5 и 2/5 в десятичные дроби
3/5=0,6
2/5=0,4
0,6х-1,2=2х-9,6
0,6х-2х=-9,6+1,2
-1,4х=-8,4
х=-8,4/ (-1,4)
х=6

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