Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 5 - Exponents and Polynomials - 5.1 - Addition and Subtraction of Polynomials - Problem Set 5.1 - Page 195: 53



Work Step by Step

By using the distributive property, removing the grouping symbols, and then combining like terms, the given expression, $ (-x-1)-(-2x+6)+(-4x-7) ,$ simplifies to \begin{array}{l}\require{cancel} -x-1+2x-6-4x-7 \\\\= (-x+2x-4x)+(-1-6-7) \\\\= -3x-14 .\end{array}
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