Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-3 Solving Multi-Step Equations - Practice and Problem-Solving Exercises - Page 98: 11


d=2 6/7

Work Step by Step

We first combine like terms to obtain that $-14d+76=36$. We need to get the d alone, so we cancel out the addition by subtracting 76 on both sides. This leaves us with the equation $-14d=-40$. We cancel out multiplication by using division, so we divide both sides of the equation by -14 to get that d=2 6/7.We plug 2 6/7 in for d and confirm that our answer is, indeed, correct.
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