((0.001 * х +2): 0.3) - 0.01 - 11.2 = 22,2

(*0.001*х+2):0.3)=22.2+0.01+11.2
(0.001*х+2):0.3=33.41
0.001*х+2=33.41*0.3
0.001*х+2=10.023
0.001*х=10.023-2
0.001*х=8.023
х=8.023:0.001
х=8023