Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 2 - Reasoning and Proof - Get Ready! - Page 79: 9



Work Step by Step

Start with the given equation. $7x+5=5x+17$ Subtract 5x from each side and simplify. $7x+5-5x=5x+17-5x$ $2x+5=17$ Subtract 5 from each side and simplify. $2x+5-5=17-5$ $2x=12$ Divide each side by 2 and simplify. $2x\div2=12\div2$ $x=6$
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