Question

What is the property that justifies the illustrated step in solving the equation?
3x + 4 - 2x + 5 = 6x + 2
3x - 2x + 4 + 5 = 6x + 2

Multiplication Property of Equality
Addition Property of Equality
Commutative Property of Addition
Distributive Property of Addition

Answer 1

It is commutative property of addition.

This means that you can move around where the numbers are in the equation, and you will still get the same solution.

Hope this helps!