3(2х+5)/8-2(5x+7)/3=7(x-15)/4-6 7/8

3(2х+5)/8-2(5x+7)/3=7(x-15)/4-6 7/8 3(2х+5)/8-2(5x+7)/3-7(x-15)/4=-6 7/8 (9(2х+5)-16(5x+7)-42(x-15))/24=-6 7/8 9(2х+5)-16(5x+7)-42(x-15)=-6 7/8*24 18х+45-80x-112-42x+630=-55/8*24 -104х+560=-55*3 -104х=-165-560 -104х=-725 х=-725(-104) х=6 101/104