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Nimfa-mama [501]
3 years ago
8

Bryan and Jeanette were playing integer card game like the one you played in class. They were practicing adding and subtracting

integers.Jeanette had a score of -10.Bryan took away one of Jeanette's cards.He showed it to her.It was a -8 Jeanette recalculated her score to be -2,but Bryan disagreed.He said that her score should be -18 instead.Read their Conversation and answer the question below.
"No Jeanette,removing a negative card means the same thing as subtracting a positive.So negative 10 minus negative eight is negative eighteen"
"it does not!Removing a negative card is the same as adding positive card.My score will go up.Negative 10 minus negative 8 is negative 2."
Based on their disagreement,who,if anyone,is right? Explain.
ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Mathematics
1 answer:
Alexxx [7]3 years ago
4 0
Jeannette is correct in this situation. You cannot subtract a negative number from anything. If you ever end up having two negative signs in a row, you must revert them to a positive (add). In this case:
-10 - (-8)  =  <u><em>-10 + 8
</em></u>When adding a positive to a negative, you can use the commutative property to know that this is the same as simply subtracting <em>10</em> from the positive integer <em>8</em>:
10 - 8 = <u><em>-2</em></u><em></em>
If you need further explanation, let me know.
Hope this helps!
~<em>ArchimedesEleven</em> <u><em>
</em></u>
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