Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 1 - Whole Numbers - 1.3 Subtracting Whole Numbers - 1.3 Exercises: 37



Work Step by Step

7 is less than 8, so in order to subtract we first have to regroup from the tens digit to turn 7 to 17. Then we subtract 17-8 = 9 for the ones column, and we subtract 4-3 = 1 for the tens column. From the 1 in the tens place and 9 in the ones place, we get 19.
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