What is the correct reason for statement 2?

Prove: 1 + 3x + (x ∙ 4) = 7x + 1

Statements Reasons
1. 1 + 3x + (x ∙ 4) 1. Given
2. 1 + 3x + 4x 2.
3. 1 + 7x 3. Addition
4. 7x + 1 4. Commutative Property



Addition


Multiplication


Associative Property


Commutative Property