Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - 3.2 - Equations and Problem Solving - Problem Set 3.2: 59

Answer

X = 3

Work Step by Step

Let X represent the number we need to find. Eight times a certain number means 8X. Eight times a certain number is subtracted from 27 means 27 - 8X. Thus, we obtain: 27 - 8X = 3 Subtract 27 from both sides: -8X = -24 Divide both sides by -8: X = 3
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