NathalyN
NathalyN
23-09-2016
Mathematics
contestada
PLEASE HELP I REALLY NEED HELP
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Аноним
Аноним
23-09-2016
1 C: The sum of 2 opposed numbers is 0, got that?
2 B: We may add the same numbers to the 2 members of an equation, we get an equation. OK. This was my own work. Hope i could help!
Thunderclan89
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apologiabiology
apologiabiology
23-09-2016
A: distributive property
B: addition property of equality
C: additive inverse (x+(-x)=0)
D: zero property of addition
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