1,54х-6,16-8,35+1,68=11,25
1,54х+1,68х=11,25+6,16+8,35
3,22х=25,76
х=8
4(0,385x-1,54)-8,35+1,68x=11,25
1.54x-6.16-8.35+1.68x-11.25=0
1.54x-14.51+1.68x-11.25=0
3.22x-14.51-11.25=0
3.22x-25.76=0
x=25.76/3.22
x=8
1,54х-6,16-8,35+1,68=11,25
1,54х+1,68х=11,25+6,16+8,35
3,22х=25,76
х=8
4(0,385x-1,54)-8,35+1,68x=11,25
1.54x-6.16-8.35+1.68x-11.25=0
1.54x-14.51+1.68x-11.25=0
3.22x-14.51-11.25=0
3.22x-25.76=0
x=25.76/3.22
x=8