Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - 2-2 Solving Two-Step Equations - Practice and Problem-Solving Exercises: 26

Answer

y=24

Work Step by Step

We need to get the y alone. In order to cancel out division, we use multiplication, so we multiply both sides by 2 to get that y-4=20. We now cancel out the subtraction by adding 4 on both sides, giving us a final answer of y=24. We plug 24 in for y and confirm that our answer is, indeed, correct.
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