Respuesta :

Answer:

JM .................???????

Step-by-step explanation:

JK = JM + MK

= 3x +15 + 8x + 25

= 11x + 40

JM = JK/2

3X + 15 = 11X/2 + 20

×2 TO THE ALL OF THE EQUATION

6X + 30 = 11X + 40

6X - 11X = 10

-5X = 10

X = -2

JM = -6 + 15 = 9