Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - Review Exercises - Page 152: 27



Work Step by Step

$2(x+5)-7=x+9$ $2x+10-7=x+9$ $2x+3=x+9$ $2x-x=9-3$ $x=6$ Check the solution: $2(6+5)-7=6+9$ $2(11)-7=15$ $22-7=15$ $15=15$
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