Home > CAAC > Chapter 6 > Lesson 6.1.3 > Problem 6-29
6-29.
As Sachiko solved the equation (x + 2) + 3 = 9, she showed her work in the table below. Copy the table and provide justification for each step. Homework Help ✎
Statement | Reason |
1. (x + 2) + 3 = 9 | Given |
2. x + (2 + 3) = 9 | |
3. x + 5 = 9 | |
4. x + 5 − 5 = 9 − 5 | |
5. x = 4 |
Decide what rule goes with each step being made.