Пошаговое объяснение:
4/7x+2/3x+1/6x=5.13/21
24/42x + 28/42x + 7/42x = 5 13/21
59/42x = 5 13/21
x = 5 13/21 : 59/42
x = 118/21 * 42/59
x = 4
Пошаговое объяснение:
4/7x+2/3x+1/6x=5.13/21
24/42x + 28/42x + 7/42x = 5 13/21
59/42x = 5 13/21
x = 5 13/21 : 59/42
x = 118/21 * 42/59
x = 4