You can factor out a 5n to get
5n(4m-3)
Subtract 42 from 44.92 and then divide by 42. So it is 7%
x =-5
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1) Since the Formula of the Midpoint is:
2) So Let's plug it into the formula the values, for A, and B
3) So the x coordinate of the Midpoint is x =-5