8
Пошаговое объяснение:
1 - 3/4x
2 - x
3 - (3/4x)
3/4x + x + 2/3(3/4x) = 6 * 3
9/4x = 18
x = 18/1 * 4/9 = 72/9 = 8
8
Пошаговое объяснение:
1 - 3/4x
2 - x
3 - (3/4x)
3/4x + x + 2/3(3/4x) = 6 * 3
9/4x = 18
x = 18/1 * 4/9 = 72/9 = 8