3x―6/2=6
3x =9
x =3
把x=3带入2x―m/2―10x+3/12=3/8x―1中
2x―m/2―10x+3/12=3/8x―1
2*3-m/2-10*3+3/12=3/8*3-1
m/2=-191/8
m=-191/4