Решите уровнение :0,55 (×+4)=5,5 (2×-3)
0.55 (x+4) = 5.5(2x-3) 0.55x + 0.55*4 = 5.5*2x - 5.5*3 0.55x + 2.2 = 11x - 16.5 0.55x -11x = -16.5-2.2 -10.45x = -18.7 x= -18.7 : (-10,45)= 1870/1045 = 374/209 =34/19 х=1 15/19