Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Review Exercises: 21

Answer

x=12

Work Step by Step

3(x+4)=5x-12 3x+3(4)=5x-12 3x+12=5x-12 3x=5x-12-12 3x=5x-24 3x-5x=-24 -2x=-24 x=$\frac{-24}{-2}$ x=12 Check the answer. 3(12+4)=5(12)-12 3(16)=60-12 48=48
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