Предмет: Математика, автор: redstoynmaster

{4,479-3x}/0.06+6.4=80 решите уравнение пожалуйста даю 20 балов! нет 30

Ответы

Автор ответа: arin567

(4,479 - 3х )/ 0,06 +6,4 =80
(4,479 - 3х )/ 0,06 = 80- 6,4
(4,479 - 3х )/ 0,06 = 73,6
4,479 - 3х =73,6*0,06
4,479 - 3х =4,416
3х=4,479-4,416
3х=0,063
х=0,063:3
х=0,021

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