Respuesta :

Answer:

RS and ST must be equal so 5x + 17 = 8x -31. Thus, x = 16 and therefore RS = ST = 97

Step-by-step explanation:

hope this helps

Answer:

[tex]given \: that \: s \: is \: mid \: point \: then \\ rs = st \\ 5x + 17 = 8x - 31 \\ x \: terms \: togather \\ 5x - 8x = - 31 - 17 \\ - 3x = - 48 \\ 3x = 48 \\ x = 48 \div 3 = 16x = 16 \\ thank \: you[/tex]