dramawolf
dramawolf dramawolf
  • 25-01-2021
  • Mathematics
contestada

Can someone explain to me why this is supposed to be 21 and not -21

Can someone explain to me why this is supposed to be 21 and not 21 class=

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pineappless123456789
pineappless123456789 pineappless123456789
  • 26-01-2021

Answer:

21

Step-by-step explanation:

The reason why the answer is 21 is because a minus with minus makes a positive.

-2 - -17 - -6

-2 + 17 + 6

15 + 6

= 21

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hanika01 hanika01
  • 26-01-2021
a subtraction symbol and a negative number next each other basically changes to addition. So in this example, -2 - -17 is the same as saying -2 + 17 which = 15. 15 - -6 is the same as 15 + 6 which is 21.


hope that helps! :)
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