Răspuns :
2n-3>23
2n>23+3
2n>26
n>26:2
n>13 solutiile 14,15,16,17........
3n+2<29
3n<29-2
3n<27
n<27:3
n<9 solutiile 0,1,2,3,4,5,6,7,8,
2n>23+3
2n>26
n>26:2
n>13 solutiile 14,15,16,17........
3n+2<29
3n<29-2
3n<27
n<27:3
n<9 solutiile 0,1,2,3,4,5,6,7,8,