Question

Select the statement that best justifies the conclusion based on the given information.

If x + y = z and x = y, then the conclusion is x + x = z.
A. )addition property of equality
B.) additive inverse
C.) closure
D.) substitution

Answer 1

Hope this helps but I think it is A.)addition property of equality.

Answer 2

D. Substitution i had this problem too it took me awhile