Question

Would any one like to help me solve this o.O
16 < 3x + 1 < 4

Answer 1

looks strange, you will se why:
16 < 3x + 1 < 4
16-1<3x+1-1<4-1
15<3x<3
5<x<1
eh?

Answer 2

hmm, i don;t know if its right or not. I forgot how to do it at all.

Answer 3

this is no sence, becouse x can't be bigger than 5 and smaller than 1 at the same time

Answer 4

ahh i dunno :/

Answer 5

its easy