chantel10191 chantel10191
  • 02-10-2018
  • Mathematics
contestada

21 - -7what is 21 - 7

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twokneee
twokneee twokneee
  • 02-10-2018
twenty one minus seven is fourteen (14).
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didibrown003
didibrown003 didibrown003
  • 02-10-2018

21-(-7) would turn into a positive so the answer would be 28.

21-7 would be 14

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