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 - Lesson Check: 10

Answer

No, you cannot.

Work Step by Step

The 3 is being divided by 5. If we were to add 3 first, we would be acting like the three was not being divided by 5, which would mean the equation would have to be $\frac{d}{5}-3.$ However, because the equation is actually $\frac{d-3}{5}$, we have to multiply by 5 first so that the 3 is no longer being divided by 5.
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