$\"\"$

Let M be the midpoint of the segment $\"\"$ .

The coordinate of midpoint of the segment = $\"\"$

From figure; the coordinates of R and S are --10 and 2 respectively.

$\"\"$

Substitute the coordinate values in the midpoint formula

$\"\"$

$\"\"$ (Product of two different signs is negative)

$\"\"$ (Add: $\"\"$ )

$\"\"$ (Divide: $\"\"$ ) $\"\"$

The midpoint coordinate of the segment $\"\"$ is $\"\"$ units.