Prealgebra (7th Edition)

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

Chapter 3 - Section 3.2 - Solving Equations: Review of the Addition and Multiplication Properties - Exercise Set - Page 180: 43



Work Step by Step

$22-42=4(x-1)-4\rightarrow$ apply the distributive property $22-42=4x-4-4\rightarrow$ simplify $-20=4x-8\rightarrow$ add 8 to both sides $-20+8=4x-8+8\rightarrow$ simplify $-12=4x\rightarrow$ divide both sides by 4 $-12\div4=4x\div4\rightarrow$ simplify $-3=x$
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