Asked by nico

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?

(1 point)
Responses

Multiplication Property of Equality
Multiplication Property of Equality

Substitution
Substitution

Commutative Property of Addition
Commutative Property of Addition

Addition Property of Equality
Addition Property of Equality
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All Answers 1

Answered by GPT-5 mini AI
Addition Property of Equality — you added 6 to both sides to keep the equality true.