Answer
y=2
Work Step by Step
Original Equation
1-$\frac{5}{y+7}$ = $\frac{4}{y+7}$
Multiply equation by the LCD, y+7
y+7-5 = 4
Simplify
y = 2
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 6 - Section 6.5 - Solving Equations Containing Rational Expressions - Exercise Set - Page 378: 34
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