x -2<3x+4<13 subtract 4 from all three terms
x-6 < 3x < 9 subtract x from the t L terms
-6 < 2x and 3x< 9 divide right by 3 and L by 2
-3 < x and x <3 sooooo
-3 < x < 3
(I edited this because my answer got truncated off for some reason)
We can create two inequalities from this...
x-2<3x
3x+4<13
Try solving these