SOLUTION: -3-(-10)
Algebra.Com
Question 1048831: -3-(-10)
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
-3 - (-10) is equal to -3 + 10 which is equal to 7.
when you subtract a negative number, it's the same as adding a positive number.
these are the rules:
adding a positive number is the same as adding a positive number.
adding a negative number is the same as subtracting a positive number.
subtracting a positive number is the same as subtracting a positive number.
subtracting a negative number is the same as adding a positive number.
examples:
5 + 3 = 8
5 + (-3) = 5 - 3 = 2
5 - 3 = 2
5 - (-3) = 5 + 3 = 8
explaining why this occurs can be difficult and confusing.
follow the rules and you'll be ok.
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