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