SOLUTION: if + and - canceles each other out then does + and + cancel each other out too?

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Question 324464: if + and - canceles each other out then does + and + cancel each other out too?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
No, positive and positive do not cancel each other out.
When + and - are placed together, they cancel each other out because by being together, they becomes zero everytime.
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If + and + do not cancel, what happens in terms of which math operation? Do you understand? Your question is not complete.
Are you talking about addition, subtraction, multiplication oor division?