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