Answer
50
Work Step by Step
The two angles form a linear pair, so are supplemnetary. Their measures total 180.
$130+x=180\longrightarrow$ subtract 130 from each side
$x=50$
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 - 2-5 Reasoning in Algebra and Geometry - Practice and Problem-Solving Exercises - Page 119: 39
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