m3sally m3sally
  • 18-04-2021
  • Mathematics
contestada

Help fast plsssssssssss

Help fast plsssssssssss class=

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gayanepoghosyan
gayanepoghosyan gayanepoghosyan
  • 18-04-2021
-9-(-12)=-9+12=3
-9-12=-9+(-12)=-21
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okerekechidinma18
okerekechidinma18 okerekechidinma18
  • 18-04-2021

Answer:

- and -. =+ so-9+12=3

Step-by-step explanation:

the minus changes to plus and then we solve

Answer Link

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