х=3х-13 4*(3-2х)+24=2*(3-2х)= 0.3*(5х-7)=3*(0.2х+3.2) - вопрос №6987191313432242320357302327254311 от elenaandreeva34 26.04.2020 05:03

Question

Математика: х=3х-13 4*(3-2х)+24=2*(3-2х)= 0.3*(5х-7)=3*(0.2х+3.2) 7*(2х-5)4*(3-х)-11

elenaandreeva34 · Answer

56+6х=3х-136х-3х=-13-563х=-69х=-69:3х=-234(3-2х)+24=2(3-2х)12-8х+24=6-4х12+24-6=8х-4х30=4хх=30:4х=7.50.3(5х-7)=3(0.2х+3.2)1.5х-2.1=0.6х+9.61.5х-0.6х=9.6+2.10.9х=11.7х=11.7:0.9х=13...