-3 + n 15) 8. = -1 %3D

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter1: Line And Angle Relationships
Section1.CR: Review Exercises
Problem 31CR: The sum of the measures of all three angles of the triangle in Review Exercise 30 is 180. If the sum...
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Number 15
5) -6 + a = 13
7) a + 3 =5
20 x
9) 쓱-ㅋ
7 7
11) -220 = 20b
13) -9 = -10 +
4
-3 + n
=-1
8.
15)
17) -70 = -6 +4n
Transcribed Image Text:5) -6 + a = 13 7) a + 3 =5 20 x 9) 쓱-ㅋ 7 7 11) -220 = 20b 13) -9 = -10 + 4 -3 + n =-1 8. 15) 17) -70 = -6 +4n
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