Question

A student solves the following problem:

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 step 4?

Responses

Commutative Property of Addition
Commutative Property of Addition

Addition Property of Equality
Addition Property of Equality

Multiplication Property of Equality
Multiplication Property of Equality

Substitution

Answer 1

Property