Question

What property should be used to solve this one-step equation : a-3=7

A Distributive Property
B Commutative Property of equality
C Associative Property of equality
D Addition Property of equality

Answer 1

D

Explanation:

a - 3 = 7 ( add 3 to both sides )

a - 3 + 3 = 7 + 3 , that is

a = 10