1 answer
(click or scroll down)
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
Commutative Property of Addition
Addition Property of Equality
Substitution
Multiplication Property of Equality

1 month ago