(2x+m)/3-(5x-1)/2=m-1
去分母,得
2(2x+m)-3(5x-1)=6(m-1)
4x+2m-15x+3=6m-6
-11x=4m-9
x=(9-4m)/11
由于该方程的解x≥0,所以
(9-4m)/11≥0
9-4m≥0
解得：m≤9/4