Answer
x = -0.07
Work Step by Step
6.5=10x +7.2
6.5 -7.2=10x +7.2 -7.2
-0.7= 10x
$\frac{-0.7}{10}$=$\frac{10x}{10}$
-0.07 = x
Check
Replace x with -0.07
6.5=10$\times$ (-0.07)+7.2
6.5=-0.7 +7.2
6.5 =6.5
Prealgebra (7th Edition)
by Martin-Gay, Elayn
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: 25
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