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 - Section 2.3 - Solving Linear Equations - Exercise Set - Page 141: 3



Work Step by Step

$4x-9x+22=3x+30$ $-5x+22=3x+30$ $-5x-3x+22=30$ $-8x+22=30$ $-8x=30-22$ $-8x=8$ $\frac{-8x}{-8}$=$\frac{8}{-8}$ $x=-1$ Check the answer. 4(-1)-9(-1)+22=3(-1)+30 -4+9+22=-3+30 5+22=27 27+27
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