Answer:
M(-1, -1)
Step-by-step explanation:
[tex]\boxed{midpoint = ( \frac{x1 + x2}{2} , \frac{y1 + y2}{2} )}[/tex]
Using the midpoint formula above,
[tex]M = ( \frac{3 - 5}{2} , \frac{2 - 4}{2} ) \\ M = ( \frac{ - 2}{2} , \frac{ - 2}{2} ) \\ M = ( - 1, - 1)[/tex]