Question

3
- 2
- 2 4
5 5 7 5
(2)
5​

Answer 1

Answer:

Example 2 Find the solution of each equation by inspection. a. x + 5 = 12 b. 4 · x = -20. Solutions a. 7 is the solution since 7 + 5 = 12. b . -5 is ...