Answer:
the length of JM is 11x + 40
Step-by-step explanation:
JM = 9
JM = MK
3x+15 = 8x+25
Subtract 3x from each side
3x -3x+15 = 8x-3x+25
15 = 5x+25
Subtract 25 from each side
15-25 = 5x+25-25
-10 =5x
Divide each side by 5
-10/5 = 5x/5
-2 = x
JM = 3x+15
=3*-2 +15
= -6+15
= 9
