Answer
option b
Work Step by Step
Step 1: $\frac{3}{7x}+\frac{5}{7}$
Step 2: $\frac{3\times1}{7x \times 1}+\frac{5\times x}{7 \times x}$
Step 3: $\frac{3}{7x}+\frac{5x}{7x}$
Step 4: $\frac{3+5x}{7x}$
Step 5: Therefore the answer is option b
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 7 - Section 7.4 - Adding and Subtracting Rational Expressions with Different Denominators - Vocabulary and Readiness Check - Page 515: 1
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