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Elina [12.6K]
3 years ago
15

Without computing, how do you know that the answer to 7-(-15) is posotive?

Mathematics
1 answer:
kkurt [141]3 years ago
8 0
Hello, and thank you for posting your question here on brainly.

We have a trick in my school named "the cupid rule", where if you're subtracting a negative that's in parenthesis, we put a ♥ over the two negatives, and turn it into a positive, so now it's 7 + 15.

(it's 22)

Hope this helps! ☺♥
kaylie
3 years ago
this is not brainly lol
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