CPM Homework Banner
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.