Предмет: Математика, автор: alisazygina4

† 83 не чотные фото закрепила даю 10 балов

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Автор ответа: davee6

1

5/6 = 2х/3
5*3=6*2х
15=6*2х
2х=15/6
2х=2,5
х=2,5/2
х=1,25
Ответ: х=1,25

5x/12=2/3
12*2=5x*3
24=15x
15x=24/3
x=8

8/9=4x/27
9*4x=27*8
36x=216/36
X=6

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