Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter R - Section R.4 - Properties of Real Numbers - R.4 Exercises: 26

Answer

$3x+4y

Work Step by Step

The distributive property holds that $a(b+c)=ab+ac$ (for real numbers $a$, $b$, and $c$). Therefore, $-(-3x-4y)=(-1\times-3x)-(-1\times4y)=3x-(-4y)=3x+4y$.
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