melissamatos417 melissamatos417

01-07-2021
Mathematics

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Re-write this subtraction as an ADDITION of signed numbers. 7- (-5) =
Now actually compute 7 - (-5) =

Rewrite this subtraction as an ADDITION of signed numbers 7 5 Now actually compute 7 5 class=

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TheBlueFox TheBlueFox

01-07-2021

Answer: 12

Step-by-step explanation: Whenever you have a minus a negative in a problem, you can change it to plus a positive.

So we can think of 7 - (-5) as 7 + (+5).

Whenever we have two negatives in a row, we can think of those

negatives as being multiplied together and a negative times a negative

will always result in a positive.

So just add 7 + 5 to get 12.

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