1/2+1/4х=Х-3/4 ПОМОГИТЕ Плиз
1/2+3/4=х-1/4х2/4+3/4=3/4х5/4=3/4х3х=(5*4)/43х=5х=5/3х=1(2/3)
1/2+3/4=х-1/4х
2/4+3/4=3/4х
5/4=3/4х
3х=(5*4)/4
3х=5
х=5/3
х=1(2/3)