Question

The steps that Jairo used to simplify an expression are shown.



Given expression: –5 + 3x + 5



Step 1: –5 + 5 + 3x

Step 2: 0 + 3x

Step 3: 3x


Which statements about Jairo's steps are valid?

(Choose 2)
Responses
A The inverse property for addition was used to move from

Step 1 to Step 2.The inverse property for addition was used to move from Step 1 to Step 2.
B The identity property for addition was used to move from

Step 1 to Step 2.The identity property for addition was used to move from Step 1 to Step 2.
C The identity property for multiplication was used to move from

Step 2 to Step 3.The identity property for multiplication was used to move from Step 2 to Step 3.
D The inverse property for addition was used to move from

Step 2 to Step 3.The inverse property for addition was used to move from Step 2 to Step 3.
E The identity property for addition was used to move from

Answer 1

Step 2 to Step 3.The identity property for addition was used to move from Step 2 to Step 3.
F The associative property for addition was used to move from Step 1 to Step 2. The associative property for addition was used to move from Step 1 to Step 2.