如果7x=5x+4，那么7x-______=4．
根据等式性质1，等式两边同时减去5x，
得：7x-5x=4．
故填：5x．
—_____
—It's seven o'clock. [ ]
A. What time is it?
B. What day is it?
C. What's the time?
D. A and C
MMPI的因子分划界分值为()
A．35～60为正常范围
B．40～60为正常范围
C．40～70为正常范围
D．50～70为正常范围
E．55～70为正常范围
显示答案正确答案:B
