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Crazy boy [7]
3 years ago
9

M-(10)=-20

Mathematics
1 answer:
Zina [86]3 years ago
6 0
The answer is -10. I think about negative numbers on a number line with numbers being behind and in front of the zero. To check the answer you can imagine being on -10 and when it says to minus a number you always know that it’s going to go further into the negative. So -10-10 is -20.
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