Answer:
21- 309
Explanation:
since the sides are equal, set 9x-14 = 5x+38
at 14 and subtract 5x from both sides
you get 4x = 52
divide both sides by 4 and x = 13
when you put 13 into 5x + 38 , 5(13)+38 = 103
since that is one side, multiply by 3 to get the perimeter which is 309
sry for 23