Пошаговое объяснение:
9:(24 1/2 - 2 1/2 x) = 3/4
24 1/2 - 2 1/2x = 9 * 4/3
24 1/2 - 2 1/2x = 12
2 1/2x = 24 1/2 - 12
2 1/2x = 12 1/2
x = 12 1/2 : 2 1/2
x = 25/2 * 2/5
x = 5
Пошаговое объяснение:
9:(24 1/2 - 2 1/2 x) = 3/4
24 1/2 - 2 1/2x = 9 * 4/3
24 1/2 - 2 1/2x = 12
2 1/2x = 24 1/2 - 12
2 1/2x = 12 1/2
x = 12 1/2 : 2 1/2
x = 25/2 * 2/5
x = 5