If the solution set of the inequality system 5x + 1 > x + 9x > m + 1 about X is x > 2, then the value range of M is______ .

If the solution set of the inequality system 5x + 1 > x + 9x > m + 1 about X is x > 2, then the value range of M is______ .

5x + 1 > x + 9, ① x > m + 1, ②, from ①, 5x-x > 9-1, 4x > 8, X > 2; because the solution set of ② is x > m + 1, only when m + 1 ≤ 2, the solution set of inequality system can be x > 2, and m ≤ 1. So the answer is: m ≤ 1