Answer
-$\frac{9}{10}$
Work Step by Step
-$\frac{9}{100}$ +$\frac{99}{100}$ =
=$\frac{-9+99}{100}$ =$\frac{-90}{100}$ =-$\frac{9\times10}{10\times10}$
= -$\frac{9}{10}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.8 - Solving Equations Containing Fractions - Exercise Set - Page 311: 25
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