Alextorres2007 Alextorres2007

18-09-2020
Mathematics

contestada

What is the difference of 31 - (-9) =

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ava2677 ava2677

18-09-2020

Answer:

40

Step-by-step explanation:

31 + 9=40

cause u need to change the negative into positve and change the minus into plus

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