Seudónimo
Seudónimo
21-02-2017
Mathematics
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if 678 + -67 is x, then what is x?
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nobodyhee
nobodyhee
21-02-2017
When you add a negative number to a positive number it is the same as subtracting. (I like to think of it like the addition symbol and the negative symbol don't match- so then you know its negative.)
So... 678 + (-67) = 611
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