Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 1 - Section 1.8 - Simplifying Expressions - Exercise Set: 57

Answer

$\dfrac{1}{2}(12x-4)-(x+5)=5x-7$

Work Step by Step

$\dfrac{1}{2}(12x-4)-(x+5)$ Multiply $\dfrac{1}{2}$ by every term inside the first parentheses and change the sign of every term inside the second parentheses: $\dfrac{1}{2}(12x-4)-(x+5)=6x-2-x-5=...$ Simplify like terms: $...=5x-7$
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