Answer
$y = \frac{-5}{3}$
Work Step by Step
$-y -5(y+5) = 3y-10$
$-y-5y-25 = 3y-10$
$-6y-25 = 3y-10$
$-6y-3y = 25-10$
$-9y= 15$
$y= \frac{15}{-9}$
$y=-\frac{5}{3}$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 4 - Section 4.2 - Solving Systems of Linear Equations in Three Variables - Exercise Set - Page 221: 33
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