Question

If the midpoint between (x,7) and (10,11) is (15,9) find the Value Of x

Answer 1

20

Explanation:

For end points A and B and midpoint M, a suitable relation is ...

A = 2M -B

A = 2(15, 9) -(10, 11) = (30 -10, 18 -11) = (20, 7)

The value of x is 20.