Flaness Flaness

13-11-2018
Mathematics

contestada

the sum of twice a number and 7 is equal to the sum of the number and 8

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keyalaboyd keyalaboyd

13-11-2018

(4)2 + 7= 15.

15-7=8.

I would say that number is 4 because 4+4= 8, and 8+7 =15.

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