y≤16/285
Пошаговое объяснение:
5/6(7+9y)≤7 1/2-7/8(5y-8)
35/6+15y/2≤15/2-35y/8-7
15y/2+35y/8≤15/2-7-35/6
60y/8+35y/8≤91/14-35/6
95y/8≤273/42-245/42
95y/8≤28/42
95y≤28/42×8
95y≤112/21
y≤112/21÷95
y≤112/21×1/95
y≤112/1995
