Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - 2-4 Solving Equations With Variables on Both Sides - Practice and Problem-Solving Exercises - Page 108: 51



Work Step by Step

We need an equation where x=0. Thus, we create an equation where the number being added to x is the number on the right side of the equal sign. This makes it so that when we subtract 9 on both sides, 15x=0, so x will equal 0 as well.
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