Answer
x=5
Work Step by Step
Start with the given equation.
$2(x+4)=x+13$
Apply the distributive property.
$2x+8=x+13$
Subtract x from each side and simplify.
$2x+8-x=x+13-x$
$x+8=13$
Subtract 8 from each side and simplify.
$x+8-8=13-8$
$x=5$
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 2 - Reasoning and Proof - Get Ready! - Page 79: 8
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