Answer
-$\frac{x}{9}$
Work Step by Step
-$\frac{7x}{18}$ +$\frac{3x}{18}$+$\frac{2x}{18}$ Add the numerators, Keep the common denominator.
=$\frac{-7x+3x+2x}{18}$ =$\frac{-2x}{18}$ =$\frac{ -2x \times1}{2\times9}$
= -$\frac{x}{9}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.4 - Adding and Subtracting Like Fractions, Least Common Denominator, and Equivalent Fractions - Exercise Set - Page 260: 11
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