A student solves the following problem:

Question

Problem:

2(x−3) + 3x = 19

Step 1: 2x − 6 + 3x = 19

Step2: (2x + 3x) −6 = 19

Step 3: 5x − 6 = 19

Step 4: 5x −6 + 6 = 19 + 6

Step 5: 5x = 25

Step 6: x = 5
What property justifies going from step 3 to step 4?

(1 point)
Responses

Commutative Property of Addition
Commutative Property of Addition

Addition Property of Equality
Addition Property of Equality

Distributive Property
Distributive Property

Combine Like Terms
Combine Like Terms

Substitution Property
Substitution Property

Answer 1

The property that justifies going from step 3 to step 4 is the Addition Property of Equality.