Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - 7-1 Zero and Negative Exponents - Practice and Problem-Solving Exercises - Page 423: 75


The solution is 4.5.

Work Step by Step

We use the rules of algebra to obtain: 1.5(x-2.5)=3. --> divide both sides by 1.5 (x-2.5) = $\frac{3}{1.5}$ x-2.5= 2 x = 4.5
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