Решите уравнение 19y-y+65=767
19y-y+65=767 (19-1)y+65=767 18y+65=767 18y=767-65 18y=702 y=702:18 y=39
19y-y+65=767 18y+65=767 18y=767-65 18y=702 y=702:18 y=39