Answer
-$\frac{43}{35}$
Work Step by Step
-$\frac{3}{7}$+(-$\frac{4}{5}$)
-$\frac{3\times5}{7\times5}$-$\frac{4\times7}{5\times7}$
-$\frac{15}{35}$-$\frac{28}{35}$= -$\frac{43}{35}$
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 1 - Section 1.5 - Addition of Real Numbers - Exercise Set - Page 63: 35
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