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: 54

Answer

$3x-12$

Work Step by Step

By using the distributive property, removing the grouping symbols, and then combining like terms, the given expression, $ (-3x+6)+(-x-8)-(-7x+10) ,$ simplifies to \begin{array}{l}\require{cancel} -3x+6-x-8+7x-10 \\\\= (-3x-x+7x)+(6-8-10) \\\\= 3x-12 .\end{array}
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