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 what is -7 - -7?

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what is -7 - -7?

 Jun 4, 2015

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 #1
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You can think of negative numbers as cold numbers.  If you take cold out of  a room then the room will get warmer, so   - - = +

-7--7=-7+7=0

 Jun 5, 2015

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 #1
avatar+118613 
+5
Best Answer

You can think of negative numbers as cold numbers.  If you take cold out of  a room then the room will get warmer, so   - - = +

-7--7=-7+7=0

Melody Jun 5, 2015

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