Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 5 - Section 5.6 - Solving Equations Containing Decimals - Exercise Set - Page 387: 26

Answer

x = 6.4

Work Step by Step

2x -4.2 =8.6 2x -4.2 + 4.2 =8.6 + 4.2 2x =12.8 $\frac{2x}{2}$=$\frac{12.8}{2}$ x=6.4 Check Replace x with 6.4 2x -4.2 =8.6 2$\times$ 6.4-4.2 =8.6 12.8 -4.2=8.6 8.6=8.6
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