Question

Indicate which property is illustrated in Step 1.

Step 1 3 - 2x - 3 + 3x = (3 - 2x) + (-3 + 3x)
Step 2 = (3 - 2x) + (3x - 3)
Step 3 = 3 + (-2x + 3x) - 3
Step 4 = 3 + (-2 + 3)x - 3
Step 5 = 3 + x - 3
Step 6 = x + 3 - 3
Step 7 = x + 0
Step 8 = x
A. commutative
B. distributive
C. identity
D. associative

Answer 1

Explanation:

C

Answer 2

• D. associative

Explanation:

Step 1 is about grouping the terms so this is associative property of addition.

Correct option is D.

• The associative property states that you can add or multiply regardless of how the numbers are grouped (by parenthesis)