Algebra 1

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

Chapter 1 - Foundations for Algebra - 1-8 An Introduction to Equations - Practice and Problem-Solving Exercises: 31

Answer

d=6

Work Step by Step

There is no negative or coefficient in front of the variable, so this problem is fairly easy to do in our head the traditional way. We see that we are adding 18, so we cancel this out by subtracting 18 on both sides. We recall that 24 minus 18 is 6, so d=6.
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