3х-4+2х= 6+2х-4; 50-7у-16=3у-16; -6а+16=4а-6а-24; - вопрос №34262450716316616462456215655452 от Leonova23 22.12.2020 08:11

Question

Математика: 3х-4+2х= 6+2х-4; 50-7у-16=3у-16; -6а+16=4а-6а-24; 5х-6+х=2(х-1)

Leonova23 · Answer

1) 3х-4+2х-6-2х+4=03х-6=03х=6х=6:3х=22)50-7у-16-3у+16=050-10у=0-10у=-5010у=50у=50:10у=53)-6а+16-4а+6а+24=0-4а+40=0-4а=-404а=40а=40:4а=104)5х-6+х=2х-25х-6+х-2х+2=04х-4=04х=4х=4:4х=1...