-11.2
Пошаговое объяснение:
3/4x+4/7=x-1 3/14
x - 3/4x = 4/7 - 13/14
1/4x = (8-13)/14
x/4 = -5/14
x = 4*14/(-5) = -11.2
-11.2
Пошаговое объяснение:
3/4x+4/7=x-1 3/14
x - 3/4x = 4/7 - 13/14
1/4x = (8-13)/14
x/4 = -5/14
x = 4*14/(-5) = -11.2