1)3х-1=2(х-2) 2)3(х+5)=7-5х 3)19(у-9)=3(у+7 4)4(х-9)=3(х-8) - вопрос №86228731312223575319937449385329516 от ayakabdadhev 10.04.2020 22:27

Question

Математика: 1)3х-1=2(х-2) 2)3(х+5)=7-5х 3)19(у-9)=3(у+7 4)4(х-9)=3(х-8) 5)3(2х-9)=5(1-х) 6)7(3-2х)=15(1-х)

ayakabdadhev · Answer

1. 3х-2х=-4+1Х=-32. 3х+5х=7-158х=-8х=-13. 19у-3у=21+17116у=192у=124. 4х-3х=-24+36х=125. 6х+5х= 5+2711х= 32 32/116. -14х+15х=15-21х=-6...