Question

решите уровнение :0,55 (×+4)=5,5 (2×-3)

Answer 1

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