Решите уравнение плиззз)
(6,5-1,3x)*4/13=(0,8-3x):6/7
6,5*4/13-1,3х*4/13=0,8*7/6-3х*7/6
(65*4)/130-(13*4х)/130=8*7/60-21х/6
21х/6-4х/10=56/60-260/130
7х/2-2х/5=14/15-2
3,5х-0,4х=14/15-30/15
3,1х=-16/15
х=-16/15*10/31=-16/3*2/31=-32/93