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Mathematics, 23.10.2020 02:01 zyrashanson

What is the missing reason for line 3 in this proof? Given : LM = 12 ; LZ = 3x ; MZ = x

Prove : LZ = 9

A.
addition property of =
B.
substitution property of =
C.
definition of segment bisector
D.
segment addition postulate

What is the missing reason for line 3 in this proof?

Given : LM = 12 ; LZ = 3x ; MZ = x
Prove :

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What is the missing reason for line 3 in this proof? Given : LM = 12 ; LZ = 3x ; MZ = x

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