Answer
$S=3x+6$
Work Step by Step
$S=x+(x+2)+(x+2+2)$
$S=3x+6$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 2 - Section 2.2 - An Introduction to Problem Solving - Exercise Set - Page 63: 4
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