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How do we subtract integers?

Sagot :

Leacubero533viz
When negative is subtracted by positive, add it

LolxDviz
Change the sign of the subtrahend then change the operation sign
then proceed to the rules of addition
Ex. -6 - 6             9 - (-6)
      -6 + (-6)         9 + 6 
      = -12             = 15