3(2х+5)/8-2(5x+7)/3=7(x-15)/4-6 7/8 - вопрос №6916490325825737154678 от flelf 02.08.2022 12:51

Question

Математика: 3(2х+5)/8-2(5x+7)/3=7(x-15)/4-6 7/8

flelf · Answer

3(2х+5)/8-2(5x+7)/3=7(x-15)/4-6 7/83(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 7/89(2х+5)-16(5x+7)-42(x-15)=-6 7/8*2418х+45-80x-112-42x+630=-55/8*24-104х+560=-55*3-104х=-165-560-104х=-725х=-725(-104)х=6 101/104...