olayo95ange olayo95ange

20-09-2018
Mathematics

contestada

If a+ (-b)= 7 and a=9 what is b?

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katelynkimnguyen katelynkimnguyen

20-09-2018

if a=9 it would be

9+ (-b) = 7

(-b)= 9-7

(-b)= 2

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ndukuray5 ndukuray5

20-09-2018

The answer is -2 because u can do 9-7and is 2 left so u but the the 2 there and it is know as -2 bc the negative Stay the same

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