8
Пошаговое объяснение:
3/4x + 7(2 - 3/8x) = -1
3/4x + 14 - 21/8x = -1
-15/8x = -15
15/8x = 15
x = 8
8
Пошаговое объяснение:
3/4x + 7(2 - 3/8x) = -1
3/4x + 14 - 21/8x = -1
-15/8x = -15
15/8x = 15
x = 8