x?m≤1① x+1≥2m② ,由①得,x≤m+1,由②得,x≥2m-1,∵不等式组 x?m≤1 x+1≥2m 无解,∴m+1<2m-1,解得m>2,∴2x+2<mx+m,(2-m)x<m-2,∴x>-1,故答案为x>-1.