Question

Does 8-x=9 have one or more values?

Answer 1

One solution

Explanation:

Solving 8 - x = 9 yields -x = 1, or x = -1. There is ONE solution (not value).

Answer 2

Answer: one value

Explanation:

8 - x = 9

collecting the like terms

x = 8 - 9

x = -1