Respuesta :

Answer:

[tex]x + 9 = x + 13 [/tex]

maybe -5

Answer:

- 5

Step-by-step explanation:

Using mid point theorem we get,

JL=2RS

Therefore,

x+13=2(x+9)

x+13=2x+18

13-18=2x-x

-5=x

x= -5