Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-5 Adding and Subtracting Real Numbers - Practice and Problem-Solving Exercises: 51

Answer

1

Work Step by Step

−2.1−[2.3−(3.5−(−1.9))]⟶ in the innermost parentheses, change subtraction to addition, and reverse the sign of the following term =−2.1−[2.3−(3.5+1.9)]⟶ add in innermost parentheses =−2.1−[2.3−5.4]⟶ subtract within brackets =−2.1−[−3.1]⟶ change subtraction to addition, and reverse the sign of the following term =−2.1+3.1⟶ add =1
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