Answer
$x=6$
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:
$2(6+5)-7=6+9$
$2(11)-7=15$
$22-7=15$
$15=15$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - Review Exercises - Page 152: 27
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