Ответ:

5x/2 - 3 = 25/35

5x/2 + 2(-3)/2 = 25/35

5x + 2(-3)/2 = 25/35

5x+2(-3)/2 = 25/35

5x-6/2 =5/7

14*5x-6/2 = 14*5/7

7(5x-6)=2*5

35x-42=10

35x-42+42=10+42

35x=52

35x/35 = 52/35

x = 52/35

Пошаговое объяснение: