Q:

The equation y – 9 + 9 = –17 + 9 is an example of which property of equality? A.Substitution Property of Equality B.Addition Property of Equality C.Reflexive Property of Equality D. Symmetric Property of Equality

Accepted Solution

A:
you add 9 to both sides to get:
y – 9 + 9 = –17 + 9

so it's Addition Property of Equality

answer

B.Addition Property of Equality