Question

Can someone help me this is really confusing????? What is the solution set for the open sentence with the given replacement set?

Answer 1

The answer is:

3

w^2 - 1 = w + 5

3^2 - 1 = w + 5

3^2 = 3(3) = 9

9-1 = 8

8 = 3 + 5

8 = 8