Question 1045328
second side is 2x-4
third side is x
17+x>2x-4; -x>-21;x<21
17+2x-4>x;x>-13
x+2x-4>17;3x>21, x>7
x>7 and <21
Check 8 and 20
8: sides are 17,8,12: 25>12,29>8, 20<17, it works.
20: sides are 17,20,36;17+20>36;17+36>20; 20+36>17, it works.
Try 6.  It should not work
17,6,8: 6+8 is not >17
7<x<13
10<2x-4<22
Possible lengths would include 8 and 12; 20 and 36