Prealgebra (7th Edition)

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

Chapter 3 - Section 3.3 - Solving Linear Equations in One Variable - Exercise Set - Page 188: 10



Work Step by Step

$2x+10+3x=-12-x-20$ $\longrightarrow$simplify $5x+10=-32-x$ $\longrightarrow$addition property $5x+10-10+x=-32-x-10+x$ $\longrightarrow$simplify $6x=-42$ $\longrightarrow$ multiplication property $6x\div6=-42\div6$ $\longrightarrow$simplify $x=-7$
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