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OpenStudy (graciek):
Why can a subtraction problem be rewritten as an addition problem without changing the outcome?
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Mehek (mehek14):
subtraction is the inverse of addition
OpenStudy (graciek):
so thats the answer?
Mehek (mehek14):
ye
OpenStudy (graciek):
thank you :)
Mehek (mehek14):
yw :)
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OpenStudy (anonymous):
Can also think of addition as the only defined operation and allow negative numbers. Then 1-2 really means 1+(-2), where -2 is the symbol for the negative number.
OpenStudy (graciek):
alright. thank you :)
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