Question

Suppose that A and B are points on the number line.

If AB=5 and B lies at 12, where could A be located?
If there is more than one location, separate them with commas.
:0
Location(s) of A :
0.0....
X

Answer 1

locations of A are 7, 17

Explanation:

since B is positioned at 12 and AB = 5 , then

A = 12 - 5 or 12 + 5 = 7 , 17