Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.7 Solving Equations with Several Steps - 9.7 Exercises: 25

Answer

$-10w+90$

Work Step by Step

The distributive property holds that $a(b+c)=ab+ac$. Therefore, $-10(w-9)=(-10\times w)+(-10\times-9)=(-10w)+(90)=-10w+90$.
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