Algebra: A Combined Approach (4th Edition)

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

Appendix D - Exercise Set: 13

Answer

{$-2,7$}

Work Step by Step

Step 1: $|2x-5|=9$ Step 2: Using the absolute value property, $2x-5=9$ or $2x-5=-9$ Step 3: $2x-5+5=9+5$ or $2x-5+5=-9+5$ Step 4: $2x=14$ or $2x=-4$ Step 5: $x=7$ or $x=-2$ Step 6: Therefore, the solution set is {$-2,7$}
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