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Which property of equality can be used to justify this step? 15 - 10x = 6x + 10x + 10x ———————— 15 = 16x A. Substitution Property of Equality B. Summation Property of Equality C. Addition Property of Equality
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4 votes
Which property of equality can be used to justify this step?

15 - 10x = 6x
+ 10x + 10x
————————
15 = 16x


A. Substitution Property of Equality
B. Summation Property of Equality
C. Addition Property of Equality
D. Subtraction Property of Equality

User Palm
by
7.7k points

2 Answers

1 vote
C. Addition Property of Equality
because you are adding 10x to both sides
User Ely Dantas
by
8.2k points
5 votes
C. Addition property of Equality
User Seanbrant
by
8.1k points
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