66/551
Пошаговое объяснение:
8 + 7/11 - 3/4x = 2+3/8
(88+7)/11-19/8 = (3/4)x
95/11-19/8 = (3/4)x
(95*8 - 19*11)/88 = 3/4*x
551 = (3/*4)*88*x
551 = 66*x
x = 66/551
