Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - Chapter 3 Review Problem Set - Page 137: 4

Answer

y=9

Work Step by Step

We need to get the y alone, so we cancel out the subtraction by adding 5 on both sides. This leaves us with the equation 6y=4y+18. We then subtract by 4y on both sides to find that 2y=18. We use division to cancel out multiplication, so we divide both sides by 2 to get that y=9.
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