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: 36

Answer

x = 2.5

Work Step by Step

1.5 = 0.4x +0.5 Subtract 0.5 from both sides 1.5 -0.5 =0.4x +0.5 - 0.5 1=0.4x $\frac{1}{0.4}$=$\frac{0.4x}{0.4}$ $\frac{10}{4}$=x 2.5 = x Check Replace x with 2.5 1.5 = 0.4x +0.5 1.5 = 0.4$\times$ 2.5+0.5 1.5 = 1 + 0.5 1.5 = 1.5
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