Algebra: A Combined Approach (4th Edition)

by Martin-Gay, Elayn

Published by Pearson

ISBN 10: 0321726391

ISBN 13: 978-0-32172-639-1

Chapter 2 - Review - Page 180: 46

Answer

-4

Work Step by Step

"Double the sum of a number and 6" translates to 2(x + 6). "the opposite of the number" translates to -x. Therefore, the equation is 2(x + 6) = -x Solve for x: 2x + 12 = -x 3x + 12 = 0 3x = -12 x = -4

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