## College Algebra 7th Edition

Published by Brooks Cole

# Chapter P, Prerequisites - Section P.2 - Real Numbers - P.2 Exercises - Page 15: 3

#### Answer

$(a+b)+c$, associative property of addition

#### Work Step by Step

$a+(b+c)=a+b+c=(a+b)+c$ To prove this, subtract any terms from the equation and you will receive equivalent expressions.

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