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orellanalopez1223
orellanalopez1223 orellanalopez1223
  • 05-01-2016
  • Mathematics
Answered

when you have a positive and a negative do you add or subtract

plz answer fast thank you

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Missidoodle
Missidoodle Missidoodle
  • 05-01-2016

Both. try -20 + 15. -20,-19,-18,-17,-16,-15,-14,-13,-12,-11,-10,-9,-8,-7,-6,-5. The answer is -5. Now you try 10 - 15 by yourself.

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Cortes33
Cortes33 Cortes33
  • 05-01-2016


 (-)(-) = +

 (-)(+) = -

that's the rule...hope that helps:D

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