priya827
priya827 priya827
  • 13-11-2021
  • Mathematics
contestada

simplify this addition x+(-x)+r​

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lori2022
lori2022 lori2022
  • 13-11-2021
It would be r because the x and -x would cancel each other out and you would be left with a positive r. You wouldn’t write the zero in either because not it is useless
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