Elementary Algebra

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

Chapter 2 - Real Numbers - 2.3 - Real Numbers and Algebraic Expressions - Problem Set 2.3 - Page 68: 63

Answer

$0.1x+1.2$

Work Step by Step

1. Expand the algebraic expression using the distributive property: $0.3(x-4)+0.4(x+6)-0.6x$ =$0.3x-1.2+0.4x+2.4-0.6x$ 2. Rewrite the expression: $0.3x-1.2+0.4x+2.4-0.6x$ $=0.3x+0.4x-0.6x-1.2+2.4$ 3. Combine like terms to simplify: $0.3x+0.4x-0.6x-1.2+2.4$ $=x(0.3+0.4-0.6)−1.2+2.4$ $=x(0.1)+1.2$ $=0.1x+1.2$
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