3(2y-1)+6(3y-4)=83+5(y-3)
6у-3+18у-24=83+5у-15 19у=68+27 19у=95 у=5
(6y-3)+(18y-24)=83+(5y-15) 24y-5y=83+27-15 19y=95 y=95/19 y=5