2x+3(2x-1)=16-(x+1)
去括号得,2x+6x-3=16-x-1,
移项得,2x+6x+x=16-1+3,
合并同类项得,9x=18,
系数化为1得,x=2.
—What are you doing?
—_________.[ ]
A. Very much
B. No
C. Not much
“appraisal; inspection; quarantine”正确的翻译为( )。
A.检验;检疫;鉴定 B.鉴定;检验;检疫C.检验;鉴定;检疫 D.鉴定;检疫;检验