реши уравнение: (8y-2)/1цел 2/3=(3y+1)/0.8
1цел2/3=5/3
(8y-2)*0.8=(3y+1)*5/3
6.4y-1.6=5y+5/3
1.4y=5/3+16/10
1.4y=98/30
y=98/30*10/14=7/3