0.5 х+6=1.5+3.5 Х
0.5 х-3.5 х=1.5-6
-3 х=-4.5
3 х=4.5
х=1.5
1.2 (5 х-6) = 1.3 х+4
6 х-7.2=1.3 х+4
6 х-1.3 х=4+7.2
4.7 х=11.2
х=2,3829787234
0.5 х+18.25=73.4
0.5 х=73.4-18.25
0.5 х=55.15
х=110.3
0.5 х+6=1.5+3.5 Х
0.5 х-3.5 х=1.5-6
-3 х=-4.5
3 х=4.5
х=1.5
1.2 (5 х-6) = 1.3 х+4
6 х-7.2=1.3 х+4
6 х-1.3 х=4+7.2
4.7 х=11.2
х=2,3829787234
0.5 х+18.25=73.4
0.5 х=73.4-18.25
0.5 х=55.15
х=110.3