Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.1 - Algebraic Expressions, Mathematical Models, and Real Numbers - Exercise Set - Page 18: 93



Work Step by Step

Start with given expression: $7-4[3-(4y-5)]$. Distribute negative through terms in inner parentheses: $7-4[3-4y+5]$. Distribute $4$ through brackets: $7-12+16y-20$. Combine like terms and simplify: $16y-25$.
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