Question

The midpoint of x and 27 is -3. What is x?

Answer 1

x =-33

Explanation:

The midpoint between two points is another name for average

(x+27)/2 =-3

Multiply each side by 2

2*(x+27)/2 =-3*2

x+27 = -6

Subtract 27 from each side

x+27 -27 = -6-27

x =-33