4x-11+x+2,5
1.5x-11+2.5
5x-8.5
1,5x+1,2+2x+0.8=2,73.5x+2=2.73.5x=2.7-23.5x=0.7x=0.7/3.5x=0.24x-11=x+2.54x-x=2.5+113x=13.5x=13.5/3x=4.5