当x=______时,3x+2与x-2的值相等.
根据题意得:3x+2=x-2,
移项合并得:2x=-4,
解得:x=-2,
则x=-2时,3x+2与x-2的值相等.
故答案为:-2
Do come on time this evening, _________you will miss theperformance. [ ]
A. and
B.or
C. so
D. but
商事账簿反映了商主体的:()
A.交换性
B.营利性
C.平等性
D.公开性