Answer
x = 7
Work Step by Step
We subtract 3 from both sides:
$2x = 17 - 3 = 14$
We divide both sides by 2:
$x = 14 \div 2 = 7$
So x=7
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Appendix A - A.2 - Formulas and Equations - Exercises - Page 549: 21
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