解:4x-3-25x +4 =1.2-10x +3 4x -25x +10x =1.2 +3+3-4 -11x =3.2 x= -3.2/11
解:4X-3-25X+4=12-10X+3 4X-25X+10X=12+3+3-4 -11X=14 X=-14/11