(2x-1)/3=(x+2)/2+12(2x-1)=3(x+2)+64x-2=3x+6+64x-3x=12+2x=14 4-(y-4)/0.5=3y/54-10(y-4)/5=3y/520-10y+40=3y-10y-3y=-60-13y=60y=-60/13
2x / 3 -1=x+2 / 2 + 1解得:x=184 - y-4 /2=3y / 5解得:y=60 /11
2X/3-1=X+2/2+1 x=18
2470分之11