(7/18 + 5/34 х):3 2/3 =1/3
(7/18+5/34х):3 2/3=1/3
7/18+5/34х=1/3*11/3
7/18+5/34х=11/9
5/34х=11/9-7/18
5/34х=22/18-7/18
5/34х=15/18
х=15/18:5/34
х=15/18*34/5
х=21/9=2 3/9=2 1/3
x = 51/164