Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix D - Exercise Set: 43


The solution set is {2/3,-8}.

Work Step by Step

You need to create two seperate equations. 5x+1=4x-7 5x+1-1=4x-7-1 5x=4x-8 5x-4x=4x-4x-8 1x=-8 1x/1=-8/1 x=-8 and 5x+1=-4x+7 5x+1-1=-4x+7-1 5x=-4x+6 5x+4x=-4x+4x+6 9x=6 9x/9=6/9 x=2/3 The solution set is {2/3,-8}.
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