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May 24, 2015

Homework Help: Math Help

Posted by Olivea on Sunday, October 26, 2008 at 12:31pm.

I'm not really sure on how to prove statements are right with properties as reasons. How would you solve this?

If x + c = 0, then x = -c
Statements:
1. x+c=0
2. (x+c)+(-c) = 0 + (-c)
3. x + [c+(-c)] = 0 + (-c)
4. x + 0 = 0 + (-c)
5. x = (-c)

Would 5 be the substitution property?

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