Answer
$\frac{9}{t}$
Work Step by Step
$\frac{7}{t}+\frac{2}{t}=\frac{7+2}{t}=\frac{9}{t}$
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter 6 - Section 6.2 - Adding and Subtracting Rational Expressions - 6.2 Exercises - Page 382: 7
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