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: 63

Answer

$x=-5$

Work Step by Step

$8x=2(6x+10)\rightarrow$ apply distributive property $8x=12x+20\rightarrow$ subtract 12x from each side $8x-12x=12x+20-12x\rightarrow$ combine like terms $-4x=20\rightarrow$ divide both sides by -4 $-4x\div-4=20\div-4\rightarrow$ simplify $x=-5$
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