Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Transcribed Image Text:New windOW
6. MPOR-MPOS + MSOR
New incognito wi
90-2x + (4x-12)
90-6x - 12
History
x9- 201
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m.POR - MLPOS+ MSOR
Zoom
uan9
Print.
O Addition Prop. =
IZI - x) +x2 - 06
Cast.
pul
90- 6x - 12
More tools
O Substitution
Edit
102 = 6x
Simplify
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Help
9 Division prop. =
Identify the property that justifies the statement.

Transcribed Image Text:Your justification is "sımplity".
1
Match the justification for each step.
5. CE - CD + DE
6x=8+ (3x + 7)
6x-15+3x
3x 15
x-5
Given
CE - CD + DE
O Subtraction prop. of =
6x-8+ (3x + 7)
O Substitution
6x- 15 + 3x
O Division Properti of =
3x = 15
Simplify
X = 5
Match the justiication for each step.
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