Its not really hard you just have to explain when like its not really complicated
Answer:

Step-by-step explanation:
We are given the length of the whole line and its two halves. Since JK and KL make up the line JL, adding them together would make the line JL.




Now we can plug the value of
back into the expression we were given for the line KL.


-50x :)
characters bc it has to be 20
X = 3.916
Sorry if the image is hard to read I had to smoosh it so it would fit