Реши уравнение : 111,11:(21,45-1,9х-3,2=51
111.11:(21.45-1.9х)-3.2=51
21.45-1.9х=111.11:(51+3.2)
21.45-1.9х=2.05
-1.9х=2.05-21.45
-1.9х=-19.4
х=-19.4:(-1.9)
х=10.21