Question

What is the reason for statement 1 in the proof below?



Prove –c + a + c = a.



Chart with two columns and three rows. The first column is labeled Statement and the second column is labeled Reason. First column row one - negative c plus a plus c equals negative c plus c plus a. Second column row one is blank. First column row two - equals zero plus a. Second column row two - Additive Inverse Property. First column row three - equals a. Second column row three - Identify Property for Addition




A.
Associative Property of Addition


B.
Definition of Subtracti

Answer 1

http://static.k12.com/calms_media/media/242000_242500/242189/1/736f8ee97f9638b9bf9893c4dd2b5172f7a824c4/972045_7q.gif

Answer 2

@ccieux

Answer 3

C.
Commutative Property of Addition


D.
Distributive Property

Answer 4

@ccieux

Answer 5

What do you think it is?

Answer 6

I think the answer is C.
http://foothilltech.org/dperez/algebra1/star/starreviewlesson2.pdf

Answer 7

guys?