If the quadrilateral jklm: jm=kl, mjl=50

We are going to start with the triangle that is labeled. 
a triangle is equal to 180 degrees
So we have the first triangle labeled- MJL-50, MLJ-65
add those together then subtract by 180
65+50=115 subtract by 180
=65 degrees
Next triangle kinda already gave us some clues
JLK-70
and it states that JM=KL 
we solved that it is 65 
so all we have to do it solve fro JKL
65+70=135 subtract that by 180 
=45- JKL

Value is 6 i think k