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

2/3*(4-х)=2х+11/3
2/3*4-2/3х=2х+11/3
8/3-2/3х=2х+11/3
-22/3х=1
х=3/8

5/6*(2-2х)=х-11/2
5/2-5/3х=х-11/2
-22/3х=8
х=3