erick123 erick123

24-08-2016
Mathematics

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how do you add integers with the same sign?

PLEASE I NEED IT NOW AND THANK YOU

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Аноним Аноним

24-08-2016

When you add integers, you keep the sign on the sum.

For example:
-9 + -9 = -18 (kept the sign)
9 + 9 = 18 (kept the "sign")

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