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How would ...
3 years ago
ยท
1 Reply
ยท
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Brock Jacobson
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1 Answer
Qualified and experienced teacher specialising in Maths and English.
-12-17
Subtracting from a negative number is still going to be negative.
So, a quick way to do it is 12 + 17 and then put the negative (-) in front.
e.g. -10 - 7
10 + 7 = 17
-10 - 7 = -17
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