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4 votes
How do you do 7-12? How do you do 13-18?

How do you do 7-12? How do you do 13-18?-example-1
User Sifat Ifty
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2 Answers

3 votes
What you need to do is take 7-12 and 13-18 and flip them and add a negative sign to your answer .
So 7-12= -5 and 13-18= -5
User Lukewitmer
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4 votes
7-12 is like a negative number so it will be -5. And 13-18 would be -5 also. 
User Anshul Goyal
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