6-3-у/2=у-1/2+у-2/3
(6-3-y)/2 = (у-1)/2 + (у-2)/3 (3-у) /2 = (у-1)/2 + (у-2)/3 (3-у)/2 - (у-1)/2 +(у-2)/3 =0 3(3-у) - 3(у-1) + 2(у-2)=0*6 9-3у-3у+3+2у-4=0 -4у +8 =0 -4у=-8 у= (-8) : (-4) у= 2 Проверим: (6-3-2)/2 = (2-1)/2 + (2-2)/3 1/2 = 1/2+0 1/2=1/2