College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 1 - Summary, Review, and Test - Test - Page 206: 1

Answer

$x=-1$

Work Step by Step

$7(x-2)=4(x+1)-21\\7x-14=4x+4-21\\7x-14\\4x-17\\7x-14+14=4x-17+14\\7x=4x-3\\7x-4x=4x-3-4x\\3x=-3\\3x/3=-3/3\\x=-1$
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