Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.2 - Integrated Review - Expressions and Equations - Page 182: 19



Work Step by Step

$x-12=-45+23\rightarrow$ simplify $x-12=-22\rightarrow$ add 12 to both sides $x-12+12=-22+12\rightarrow$ simplify $x=-10$ Check the solution by plugging in the value for y and determine whether the resulting equation is true. $-10-12=-45+23\rightarrow$ simplify $-22=-22$ This is true so the solution is correct.
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