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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
D. Subtraction Property of Equality

User Danny Roberts
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2 Answers

18 votes
18 votes
C. Addition Property of Equality
because you are adding 10x to both sides
User CSRedRat
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24 votes
24 votes
C. Addition property of Equality
User Filip Sondej
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