859. 1) x=2/3x+1; 2) x-1/2=3/4x;
1)x-2/3x=1 x(1-2/3)=1 1/3x=1 x=3 2) x-3/4x=1/2 x(1-3/4)=1/2 1/4x=1/2 x=2