Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 1 - Expressions, Equations, and Inequalities - 1-4 Solving Equations - Practice and Problem-Solving Exercises - Page 30: 17

Answer

y = -5

Work Step by Step

Our goal is to isolate y. To accomplish this we will first subtract 4y from both sides to get all of the y's on one side: 5y + 1.8 = 4y - 3.2 y + 1.8 = -3.2 We will then isolate y by subtracting 1.8 from both sides: y + 1.8 = -3.2 y = -5
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