Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 5 - Section 5.2 - Simplifying Algebraic Expressions - Exercise: 41

Answer

1

Work Step by Step

To remove parentheses preceded by a minus sign, change the sign of all the terms within the parentneses. $y-(y-1)=y-y+1$ To combine like terms, add the coefficients. $y-y+1=(1-1)y+1=0y+1=1$
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