2x=8
2x÷2=8÷2
x=4.
当x=4时,3x-2=3×4-2=10.
故选:B.
Does it always matter if the "real world" is not being practised in the classroom Why or why not
粪胆原阴性可见于()
A.胆管癌
B.溶血性黄疸
C.胆道阻塞
D.胆道结石
E.肝细胞性黄疸