Algebra: A Combined Approach (4th Edition)

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

Chapter 2 - Review: 91


The number is -13.

Work Step by Step

"The sum of six and twice a number" translates to 6 + 2x. "seven less than the number" translates to x - 7. The equation is written: 6 + 2x = x - 7 Solve for x: 6 + x = -7 x = -13
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