Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.3 - Solving Linear Equations in One Variable - Practice - Page 185: 2

Answer

y = -55

Work Step by Step

40 - 5y + 5 = -2y - 10 - 4y Simplify. 45 - 5y = -6y - 10 Variables go before constants. -5y + 45 = -6y - 10 Add 10 to both sides. -5y + 45 + 10 = -6y - 10 + 10 Simplify. -5y + 55 = -6y Add 5y to both sides. -5y + 55 + 5y = -6y + 5y Simplify. 55 = -y -y = 55 Multiply both sides by -1. y = -55
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