Answer:
(-19,-3) or (5, -3)
Explanation:
If b is located to the left side of a, then we need to add (-12) to the x-coordinate of a
b(-7+ [-12],-3) = b(-19,-3)
If b is located to the right side of a , then we need to add 12 to the x-coordinate of a.
b( -7+ 12, -3)= b(5 , -3)