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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset Vaia Explanations$ Math

2nd Edition · 1240 pages

ISBN: 9780998625713

Chapter 8: Q. 8.124 (page 974)

Solve :
$\frac{5}{y + 3} + \frac{2}{y - 3} = \frac{5}{y^{2} - 9}$

Short Answer

Expert verified

$y = 2$

Step by step solution

Step 1. Given information

$\frac{5}{y + 3} + \frac{2}{y - 3} = \frac{5}{y^{2} - 9}$

Step 2. Solving the equation by cross multiplication

$\frac{5}{y + 3} + \frac{2}{y - 3} = \frac{5}{y^{2} - 9} \frac{5 y - 15 + 2 y + 6}{y^{2} - 9} = \frac{5}{y^{2} - 9} 7 y - 9 = 5 7 y = 14 y = 2$

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Solve :
$\frac{5}{y + 3} + \frac{2}{y - 3} = \frac{5}{y^{2} - 9}$

Short Answer

Step by step solution

Step 1. Given information

Step 2. Solving the equation by cross multiplication

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

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Solve :5y+3+2y-3=5y2-9

Short Answer

Step by step solution

Step 1. Given information

Step 2. Solving the equation by cross multiplication

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Discrete Mathematics

Theoretical and Mathematical Physics

Geometry

Pure Maths

Logic and Functions

Applied Mathematics

Study anywhere. Anytime. Across all devices.

Solve :
$\frac{5}{y + 3} + \frac{2}{y - 3} = \frac{5}{y^{2} - 9}$