Предмет: Математика, автор: gorka124

СРОЧНО!!!!!! ЕТО КР!!!!!!!
чому дорівнює х якщо:
5/2х-6=15/90
ПЖПЖПЖ!!!!

Ответы

Автор ответа: jekadva

1

Ответ:

Пошаговое объяснение:

5/(2х-6)=15/90

15*(2x-6)=90*5

30x - 90 = 450

30x = 450+90

30x = 540

x = 540 : 30

x = 18

Автор ответа: saimonsaymon08

0

Ответ:

5/2х=15/90+540/90

5/2х=555/90

х=555/90÷5/2=555/90×2/5=111/45×1/1

х=111/45

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