Question

Jordan wrote the following steps to simplify the expression: 5x – (3x + 2 + 4x).

Step

Mathematical Statement

Justification

0

5x – (3x + 2 + 4x)

Given

1

5x – (3x + 4x + 2)



Associative Property of Addition

2

5x – (7x + 2)

Combine Like Terms

3

5x – 7x – 2

Distributive Property

4

(5x – 7x) – 2

Associative Property of Addition

5

–2x – 2

Combine Like Terms


Which step of justification is incorrect, and what should the justification for that step be to simplify the expression?

Answer 1

Step 3; Associative Property of Multiplication

Step 4; Commutative Property of Multiplication

Step 2; Associative Property of Addition

Step 1; Commutative Property of Addition

Answer 2

Step 1 ; Commutative Property of Addition

Answer 3

Thaank youu(:

Answer 4

np :DD