1)2/3*(4-х) = 2х+1 1/3
2)5/6*(3-2х) = х-1 1/2

1) 2/3*(4-х)=2х+11/3
2/3×4-2/3х=2х+11/3
8/3-2/3х=2х+11/3
-2 2/3х=1
х= 3/8
2) 5/6*(3-2х)=х-11/2
5/2-5/3х=х-11/2
-2 2/3х=-8
х=3