Ответы и объяснения

2014-03-31T08:38:43+00:00
2014-03-31T08:40:41+00:00
0.5х+1.5=44/6-4/6х
1/2х+3/2=22/3-2/3х
1/2х+2/3х=22/3-3/2
3/6х+4/6х=44/6-9/6
7/6х=35/6
х=35/6:6/7
х=5