Answer:
JM .................???????
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
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