6,3-(5,6x+2,7)=0,6-0,4x
6.3-5,6×-2,7=0,6-0,4× -6×=-3 6×=3 ×=3
6.3-5.6x-2.7-0.6+0.4x+0 3-5.2x =0 5.2x =3 x =15/26