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musiclover10045

The distance from -21 to 18 would be 39 units ( -21 to 0 is 21 and from 0 to 18 is 18 , 21 +18 = 39)

To find the midpoint distance, divide the total distance by 2:

x = 39/2

x = 19.5

Now to find the midpoint, either add 19.5 to -21 or subtract 19.5 from 18.

Midpoint  = -1.5

BasketballEinstein

Answer:

−1½ = x

Step-by-step explanation:

First, find the range in between 18 and −21, which is 39:

[tex]18 - x = -21 \\ \\ 39 = x[/tex]

Take half of that range, then add that to −21:

[tex]19\frac{1}{2} = \frac{39}{2} \\ \\ -21 + 19 \frac{1}{2} = -1\frac{1}{2}[/tex]

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