Respuesta :

6 x n - 5 < 2 x n + 10
Hello : x :  is this number
6x-5 < 2x+10
6x-2x 
<5+10
4x 
< 15
< 15/4
but : 15/4 = 3.75 and x in :N 
conclusion : x =  0 , 1 , 2 , 3