0.9(4y-2)=0.5(3y-4)+4.4
3.6у-1.8-1.5у+2-4.4=0
3.6у-1.5у=4.4-2+1.8
2.1у=4.2
у=2.
Ответ: 2
3.6y-1.8=1.5y-2+4.4 3.6y-1.5y=-2+4.4+1.8 2.1y=4.2 y=2