0.25-0.109=0.8x
0.141=0.8x
x=0.176
0,91:3,64-0,8х=0,109
0,25-0,8х=0,109
0,8х=0,25-0,109
0.8х=0.141
х=0.141:0.8
х=0.17625
0.25-0.109=0.8x
0.141=0.8x
x=0.176
0,91:3,64-0,8х=0,109
0,25-0,8х=0,109
0,8х=0,25-0,109
0.8х=0.141
х=0.141:0.8
х=0.17625