Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 1 - Section 1.4 - Properties of Real Numbers and Algebraic Expressions - Exercise Set: 68

Answer

$25-x$

Work Step by Step

You are told that the sum of two numbers (which we will call $x$ and $y$) is 25. Therefore, $x+y=25$. To isolate $y$ and determine its value in terms of $x$, you need to subtract $x$ from both sides. ($x+y$)$-x=25-x$ Therefore, $y=25-x$.
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