Answer
-9a
Work Step by Step
The distributive property holds that $a(b+c)=ab+bc$. Therefore, we can use the distributive property to combine like terms.
$-10a+a=-10a+1a=(-10+1)a=-9a$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 9 - Basic Algebra - 9.7 Solving Equations with Several Steps - 9.7 Exercises - Page 677: 34
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