Пошаговое объяснение:
3/4x+4/7=x-1 3/14
3/4х-х= - 1 3/14-4/7
-1/4х= -17/14-4/7
-1/4х=-25/14
х= 25/14*4
х= 100/14
х=7 1/7
Пошаговое объяснение:
(3/4)x + 4/7 = x - 1 3/14
x - (3/4)x = 4/7 + 1 3/14
(1/4)x = 1 11/14
x = 1 11/14 : 1/4
x = 25/14 * 4/1
x = 50/7
x = 7 1/7
